Home / 18,657.26-25,747.65-10,159.53

Finding the Fourth Proportional to 18,657.26, 25,747.65 and 10,159.53

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Solution

The fourth proportional to 18,657.26, 25,747.65 and 10,159.53 is: 14,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.26 : 25,747.65 = 10,159.53 : x
  2. Step 2: Convert to fraction form
    18,657.26/25,747.65 = 10,159.53/x
  3. Step 3: Cross multiply
    18,657.26x = 25,747.65 × 10,159.53
  4. Step 4: Simplify right side
    18,657.26x = 261,583,961.77
  5. Step 5: Solve for x
    x = 261,583,961.77/18,657.26
  6. Step 6: Final answer
    x = 14,020.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.