If in proportion, then x/12 = 18/24 => x/12 = 3/4 => x = (12 * 3) / 4 = 9.
यदि समानुपात में हैं, तो x/12 = 18/24 => x/12 = 3/4 => x = (12 * 3) / 4 = 9।