Home / 15,105.20-22,614.60-9,273.20

Finding the Fourth Proportional to 15,105.20, 22,614.60 and 9,273.20

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Solution

The fourth proportional to 15,105.20, 22,614.60 and 9,273.20 is: 13,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.20 : 22,614.60 = 9,273.20 : x
  2. Step 2: Convert to fraction form
    15,105.20/22,614.60 = 9,273.20/x
  3. Step 3: Cross multiply
    15,105.20x = 22,614.60 × 9,273.20
  4. Step 4: Simplify right side
    15,105.20x = 209,709,708.72
  5. Step 5: Solve for x
    x = 209,709,708.72/15,105.20
  6. Step 6: Final answer
    x = 13,883.28

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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.