Home / 16,286.57-22,475.87-9,116.43

Finding the Fourth Proportional to 16,286.57, 22,475.87 and 9,116.43

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Solution

The fourth proportional to 16,286.57, 22,475.87 and 9,116.43 is: 12,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.57 : 22,475.87 = 9,116.43 : x
  2. Step 2: Convert to fraction form
    16,286.57/22,475.87 = 9,116.43/x
  3. Step 3: Cross multiply
    16,286.57x = 22,475.87 × 9,116.43
  4. Step 4: Simplify right side
    16,286.57x = 204,899,695.54
  5. Step 5: Solve for x
    x = 204,899,695.54/16,286.57
  6. Step 6: Final answer
    x = 12,580.90

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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.