Home / 15,042.72-22,566.48-5,179.56

Finding the Fourth Proportional to 15,042.72, 22,566.48 and 5,179.56

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Solution

The fourth proportional to 15,042.72, 22,566.48 and 5,179.56 is: 7,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.72 : 22,566.48 = 5,179.56 : x
  2. Step 2: Convert to fraction form
    15,042.72/22,566.48 = 5,179.56/x
  3. Step 3: Cross multiply
    15,042.72x = 22,566.48 × 5,179.56
  4. Step 4: Simplify right side
    15,042.72x = 116,884,437.15
  5. Step 5: Solve for x
    x = 116,884,437.15/15,042.72
  6. Step 6: Final answer
    x = 7,770.17

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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.