The phrase "a considerably smaller proportion" is correct and usable in written English.
It can be used when comparing sizes or amounts, indicating that one quantity is significantly less than another.
Example: "In the recent survey, a considerably smaller proportion of participants reported feeling satisfied with their work-life balance compared to last year."
Alternatives: "a significantly lower percentage" or "a notably reduced share".
Canada's armed forces constitute a considerably smaller proportion of the Canadian labour force than do the armed forces of its allies in the North Atlantic Treaty Organization NATOO), and its defense spending is lower per capita than that of most of its allies.
A considerably smaller proportion are more likely to initiate transfusion when the PbtO2 level is 15 to 20 mmHg.
Thus, in Australia, trainees see chronic disease in a considerably smaller proportion of consultations than their established GP colleagues.
Although Nepal performed as well as the other 2 countries with regard to average coverage, a considerably smaller proportion of pregnant women in Nepal reported 4+ visits (53% versus 87% in Colombia and 96% in the Dominican Republic).
In the mutant cells these gene categories are much smaller (Table 1, cf. rows 1-2, columns 1-2), indicathat that a considerably smaller proportion of mRNAs have higher than average translational efficiencies in the mutant cells.
Whilst these data are not available for barnacle geese, elastic energy recovery in the gastrocnemius tendon has been found to be poor in mallard ducks (Biewener and Corning, 2001), representing a considerably smaller proportion of muscle work during locomotion than that found in the tendon of the cursorial turkey (Roberts et al., 1997).
We collapsed the two higher risk categories (intermediate and high) due to the considerably smaller proportion of individuals who had the high risk category.
In line with recent findings [ 15], considerably smaller proportions of NBS-encoding genes were found between 60%and80%0% similarity in maize, in comparison to sorghum and rice, indicating that recent duplications were likely to have dominated the NBS-encoding genes in the maize genome with more ancient duplications observed in sorghum and rice.
This high gain for the yield with low predictability is mainly due to the high selection intensity of the crosses, represented by the considerably small proportion selected.
Over the same period, gun deaths rose, but by a considerably smaller amount.
