Home / 16,247.43-22,422.15-9,538.20

Finding the Fourth Proportional to 16,247.43, 22,422.15 and 9,538.20

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Solution

The fourth proportional to 16,247.43, 22,422.15 and 9,538.20 is: 13,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.43 : 22,422.15 = 9,538.20 : x
  2. Step 2: Convert to fraction form
    16,247.43/22,422.15 = 9,538.20/x
  3. Step 3: Cross multiply
    16,247.43x = 22,422.15 × 9,538.20
  4. Step 4: Simplify right side
    16,247.43x = 213,866,951.13
  5. Step 5: Solve for x
    x = 213,866,951.13/16,247.43
  6. Step 6: Final answer
    x = 13,163.12

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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.