Home / 16,490.68-22,757.11-8,936.87

Finding the Fourth Proportional to 16,490.68, 22,757.11 and 8,936.87

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Solution

The fourth proportional to 16,490.68, 22,757.11 and 8,936.87 is: 12,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.68 : 22,757.11 = 8,936.87 : x
  2. Step 2: Convert to fraction form
    16,490.68/22,757.11 = 8,936.87/x
  3. Step 3: Cross multiply
    16,490.68x = 22,757.11 × 8,936.87
  4. Step 4: Simplify right side
    16,490.68x = 203,377,333.65
  5. Step 5: Solve for x
    x = 203,377,333.65/16,490.68
  6. Step 6: Final answer
    x = 12,332.87

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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.