Home / 15,276.87-22,920.17-7,481.43

Finding the Fourth Proportional to 15,276.87, 22,920.17 and 7,481.43

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Solution

The fourth proportional to 15,276.87, 22,920.17 and 7,481.43 is: 11,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.87 : 22,920.17 = 7,481.43 : x
  2. Step 2: Convert to fraction form
    15,276.87/22,920.17 = 7,481.43/x
  3. Step 3: Cross multiply
    15,276.87x = 22,920.17 × 7,481.43
  4. Step 4: Simplify right side
    15,276.87x = 171,475,610.04
  5. Step 5: Solve for x
    x = 171,475,610.04/15,276.87
  6. Step 6: Final answer
    x = 11,224.53

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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.