Home / 15,104.60-22,747.39-13,757.88

Finding the Fourth Proportional to 15,104.60, 22,747.39 and 13,757.88

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Solution

The fourth proportional to 15,104.60, 22,747.39 and 13,757.88 is: 20,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.60 : 22,747.39 = 13,757.88 : x
  2. Step 2: Convert to fraction form
    15,104.60/22,747.39 = 13,757.88/x
  3. Step 3: Cross multiply
    15,104.60x = 22,747.39 × 13,757.88
  4. Step 4: Simplify right side
    15,104.60x = 312,955,861.93
  5. Step 5: Solve for x
    x = 312,955,861.93/15,104.60
  6. Step 6: Final answer
    x = 20,719.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.