Home / 15,132.70-22,693.65-5,272.30

Finding the Fourth Proportional to 15,132.70, 22,693.65 and 5,272.30

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Solution

The fourth proportional to 15,132.70, 22,693.65 and 5,272.30 is: 7,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.70 : 22,693.65 = 5,272.30 : x
  2. Step 2: Convert to fraction form
    15,132.70/22,693.65 = 5,272.30/x
  3. Step 3: Cross multiply
    15,132.70x = 22,693.65 × 5,272.30
  4. Step 4: Simplify right side
    15,132.70x = 119,647,730.90
  5. Step 5: Solve for x
    x = 119,647,730.90/15,132.70
  6. Step 6: Final answer
    x = 7,906.57

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1.5x scale

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.