Home / 16,387.17-22,614.75-9,672.18

Finding the Fourth Proportional to 16,387.17, 22,614.75 and 9,672.18

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Solution

The fourth proportional to 16,387.17, 22,614.75 and 9,672.18 is: 13,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.17 : 22,614.75 = 9,672.18 : x
  2. Step 2: Convert to fraction form
    16,387.17/22,614.75 = 9,672.18/x
  3. Step 3: Cross multiply
    16,387.17x = 22,614.75 × 9,672.18
  4. Step 4: Simplify right side
    16,387.17x = 218,733,932.66
  5. Step 5: Solve for x
    x = 218,733,932.66/16,387.17
  6. Step 6: Final answer
    x = 13,347.88

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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.