Home / 15,149.56-22,725.26-4,761.31

Finding the Fourth Proportional to 15,149.56, 22,725.26 and 4,761.31

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Solution

The fourth proportional to 15,149.56, 22,725.26 and 4,761.31 is: 7,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.56 : 22,725.26 = 4,761.31 : x
  2. Step 2: Convert to fraction form
    15,149.56/22,725.26 = 4,761.31/x
  3. Step 3: Cross multiply
    15,149.56x = 22,725.26 × 4,761.31
  4. Step 4: Simplify right side
    15,149.56x = 108,202,007.69
  5. Step 5: Solve for x
    x = 108,202,007.69/15,149.56
  6. Step 6: Final answer
    x = 7,142.25

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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.