Home / 15,247.77-22,868.20-7,743.72

Finding the Fourth Proportional to 15,247.77, 22,868.20 and 7,743.72

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Solution

The fourth proportional to 15,247.77, 22,868.20 and 7,743.72 is: 11,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.77 : 22,868.20 = 7,743.72 : x
  2. Step 2: Convert to fraction form
    15,247.77/22,868.20 = 7,743.72/x
  3. Step 3: Cross multiply
    15,247.77x = 22,868.20 × 7,743.72
  4. Step 4: Simplify right side
    15,247.77x = 177,084,937.70
  5. Step 5: Solve for x
    x = 177,084,937.70/15,247.77
  6. Step 6: Final answer
    x = 11,613.83

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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.