Home / 15,132.78-22,695.48-4,744.53

Finding the Fourth Proportional to 15,132.78, 22,695.48 and 4,744.53

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Solution

The fourth proportional to 15,132.78, 22,695.48 and 4,744.53 is: 7,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.78 : 22,695.48 = 4,744.53 : x
  2. Step 2: Convert to fraction form
    15,132.78/22,695.48 = 4,744.53/x
  3. Step 3: Cross multiply
    15,132.78x = 22,695.48 × 4,744.53
  4. Step 4: Simplify right side
    15,132.78x = 107,679,385.72
  5. Step 5: Solve for x
    x = 107,679,385.72/15,132.78
  6. Step 6: Final answer
    x = 7,115.64

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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.