Question

What number must be subtracted from each of the number 10,12,19 and 24 to get the numbers which are in proportion​

Answer 1

Answer:

4

Step-by-step explanation:

for the numbers to be in proportion

(10-x) / (12-x) = (19-x)/(24-x)

(10-x)(24-x) = (12-x)(19-x)

240 - 10x - 24x + x squared = 228 - 12x - 19x + x squared

240-34x = 228 -31x

12 = 3x

x = 4

4 must be subtracted from each of the number.

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