Home / 15,003.26-22,505.26-5,142.48

Finding the Fourth Proportional to 15,003.26, 22,505.26 and 5,142.48

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Solution

The fourth proportional to 15,003.26, 22,505.26 and 5,142.48 is: 7,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.26 : 22,505.26 = 5,142.48 : x
  2. Step 2: Convert to fraction form
    15,003.26/22,505.26 = 5,142.48/x
  3. Step 3: Cross multiply
    15,003.26x = 22,505.26 × 5,142.48
  4. Step 4: Simplify right side
    15,003.26x = 115,732,849.44
  5. Step 5: Solve for x
    x = 115,732,849.44/15,003.26
  6. Step 6: Final answer
    x = 7,713.85

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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.