The phrase "accompanied by a considerable" is correct and usable in written English.
It can be used when describing something that is happening alongside a significant amount of something else, often in a formal or academic context.
Example: "The study was conducted with a sample size accompanied by a considerable number of participants, ensuring the reliability of the results."
Alternatives: "along with a significant" or "together with a substantial".
Urban development and rapid extension of cities have been accompanied by a considerable growth in mechanized shield tunnelling.
Transfection of the CAG-proinsulin construct markedly improved hyperglycemia of diabetic mice, accompanied by a considerable increase in serum insulin concentrations.
The thermal efficiency enhancement is also accompanied by a considerable increase in the pumping power requirement due to the increase in the friction factor (80 250%).
This shift is accompanied by a considerable increase of the absorption coefficient (photo-darkening effect) in the measured photon energy range (0.5 ÷ 3.0 eV).
With increasing milling time, the grain-size reduction is accompanied by a considerable narrowing of the size distribution and an increase in the microstrain.
These codes of poetic diction, accompanied by a considerable body of criticism, were the creation of an acute literary sensibility, fostered especially by the traditions of the court, and were usually composed by the leading poets or dramatists themselves.
Williams was accompanied by A-1.
Spanning a variety of characteristic genres, including horror, heroic bloodshed, romantic comedy, and kung-fu, reviews cover individual titles in considerable depth and are accompanied by a selection of full-color film stills.
The article with the strongest statement, on breast cancer and DDT, was accompanied by an editorial that indicated considerable additional information was required before the hypothesis could be regarded as "truly compelling".
It is a major cause of disability, with considerable social and health implications, accompanied by a major economic burden.
Eland herds are accompanied by a loud clicking sound that has been subject to considerable speculation.
