Home / 15,277.20-22,912.92-7,481.04

Finding the Fourth Proportional to 15,277.20, 22,912.92 and 7,481.04

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Solution

The fourth proportional to 15,277.20, 22,912.92 and 7,481.04 is: 11,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.20 : 22,912.92 = 7,481.04 : x
  2. Step 2: Convert to fraction form
    15,277.20/22,912.92 = 7,481.04/x
  3. Step 3: Cross multiply
    15,277.20x = 22,912.92 × 7,481.04
  4. Step 4: Simplify right side
    15,277.20x = 171,412,471.04
  5. Step 5: Solve for x
    x = 171,412,471.04/15,277.20
  6. Step 6: Final answer
    x = 11,220.15

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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.