Home / 15,144.67-22,702.38-7,752.61

Finding the Fourth Proportional to 15,144.67, 22,702.38 and 7,752.61

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Solution

The fourth proportional to 15,144.67, 22,702.38 and 7,752.61 is: 11,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.67 : 22,702.38 = 7,752.61 : x
  2. Step 2: Convert to fraction form
    15,144.67/22,702.38 = 7,752.61/x
  3. Step 3: Cross multiply
    15,144.67x = 22,702.38 × 7,752.61
  4. Step 4: Simplify right side
    15,144.67x = 176,002,698.21
  5. Step 5: Solve for x
    x = 176,002,698.21/15,144.67
  6. Step 6: Final answer
    x = 11,621.43

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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.