Home / 15,147.27-22,708.15-7,245.32

Finding the Fourth Proportional to 15,147.27, 22,708.15 and 7,245.32

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Solution

The fourth proportional to 15,147.27, 22,708.15 and 7,245.32 is: 10,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.27 : 22,708.15 = 7,245.32 : x
  2. Step 2: Convert to fraction form
    15,147.27/22,708.15 = 7,245.32/x
  3. Step 3: Cross multiply
    15,147.27x = 22,708.15 × 7,245.32
  4. Step 4: Simplify right side
    15,147.27x = 164,527,681.70
  5. Step 5: Solve for x
    x = 164,527,681.70/15,147.27
  6. Step 6: Final answer
    x = 10,861.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.