Home / 15,042.88-22,565.88-5,180.96

Finding the Fourth Proportional to 15,042.88, 22,565.88 and 5,180.96

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Solution

The fourth proportional to 15,042.88, 22,565.88 and 5,180.96 is: 7,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.88 : 22,565.88 = 5,180.96 : x
  2. Step 2: Convert to fraction form
    15,042.88/22,565.88 = 5,180.96/x
  3. Step 3: Cross multiply
    15,042.88x = 22,565.88 × 5,180.96
  4. Step 4: Simplify right side
    15,042.88x = 116,912,921.64
  5. Step 5: Solve for x
    x = 116,912,921.64/15,042.88
  6. Step 6: Final answer
    x = 7,771.98

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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.