Home / 16,471.13-22,740.66-10,815.92

Finding the Fourth Proportional to 16,471.13, 22,740.66 and 10,815.92

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Solution

The fourth proportional to 16,471.13, 22,740.66 and 10,815.92 is: 14,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471.13 : 22,740.66 = 10,815.92 : x
  2. Step 2: Convert to fraction form
    16,471.13/22,740.66 = 10,815.92/x
  3. Step 3: Cross multiply
    16,471.13x = 22,740.66 × 10,815.92
  4. Step 4: Simplify right side
    16,471.13x = 245,961,159.31
  5. Step 5: Solve for x
    x = 245,961,159.31/16,471.13
  6. Step 6: Final answer
    x = 14,932.86

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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.