Home / 19,732.92-27,233.31-10,781.78

Finding the Fourth Proportional to 19,732.92, 27,233.31 and 10,781.78

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Solution

The fourth proportional to 19,732.92, 27,233.31 and 10,781.78 is: 14,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.92 : 27,233.31 = 10,781.78 : x
  2. Step 2: Convert to fraction form
    19,732.92/27,233.31 = 10,781.78/x
  3. Step 3: Cross multiply
    19,732.92x = 27,233.31 × 10,781.78
  4. Step 4: Simplify right side
    19,732.92x = 293,623,420.93
  5. Step 5: Solve for x
    x = 293,623,420.93/19,732.92
  6. Step 6: Final answer
    x = 14,879.88

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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.