Home / 26,731.13-36,898.67-15,553.13

Finding the Fourth Proportional to 26,731.13, 36,898.67 and 15,553.13

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Solution

The fourth proportional to 26,731.13, 36,898.67 and 15,553.13 is: 21,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.13 : 36,898.67 = 15,553.13 : x
  2. Step 2: Convert to fraction form
    26,731.13/36,898.67 = 15,553.13/x
  3. Step 3: Cross multiply
    26,731.13x = 36,898.67 × 15,553.13
  4. Step 4: Simplify right side
    26,731.13x = 573,889,665.73
  5. Step 5: Solve for x
    x = 573,889,665.73/26,731.13
  6. Step 6: Final answer
    x = 21,468.97

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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.