Home / 17,882.28-24,689.52-15,987.72

Finding the Fourth Proportional to 17,882.28, 24,689.52 and 15,987.72

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Solution

The fourth proportional to 17,882.28, 24,689.52 and 15,987.72 is: 22,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,882.28 : 24,689.52 = 15,987.72 : x
  2. Step 2: Convert to fraction form
    17,882.28/24,689.52 = 15,987.72/x
  3. Step 3: Cross multiply
    17,882.28x = 24,689.52 × 15,987.72
  4. Step 4: Simplify right side
    17,882.28x = 394,729,132.69
  5. Step 5: Solve for x
    x = 394,729,132.69/17,882.28
  6. Step 6: Final answer
    x = 22,073.76

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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.