Home / 15,149.13-22,723.80-5,288.41

Finding the Fourth Proportional to 15,149.13, 22,723.80 and 5,288.41

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Solution

The fourth proportional to 15,149.13, 22,723.80 and 5,288.41 is: 7,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.13 : 22,723.80 = 5,288.41 : x
  2. Step 2: Convert to fraction form
    15,149.13/22,723.80 = 5,288.41/x
  3. Step 3: Cross multiply
    15,149.13x = 22,723.80 × 5,288.41
  4. Step 4: Simplify right side
    15,149.13x = 120,172,771.16
  5. Step 5: Solve for x
    x = 120,172,771.16/15,149.13
  6. Step 6: Final answer
    x = 7,932.65

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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.