Home / 15,167.52-20,932.71-8,454.24

Finding the Fourth Proportional to 15,167.52, 20,932.71 and 8,454.24

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Solution

The fourth proportional to 15,167.52, 20,932.71 and 8,454.24 is: 11,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.52 : 20,932.71 = 8,454.24 : x
  2. Step 2: Convert to fraction form
    15,167.52/20,932.71 = 8,454.24/x
  3. Step 3: Cross multiply
    15,167.52x = 20,932.71 × 8,454.24
  4. Step 4: Simplify right side
    15,167.52x = 176,970,154.19
  5. Step 5: Solve for x
    x = 176,970,154.19/15,167.52
  6. Step 6: Final answer
    x = 11,667.71

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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.