Home / 15,179.30-22,761.07-5,816.54

Finding the Fourth Proportional to 15,179.30, 22,761.07 and 5,816.54

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Solution

The fourth proportional to 15,179.30, 22,761.07 and 5,816.54 is: 8,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.30 : 22,761.07 = 5,816.54 : x
  2. Step 2: Convert to fraction form
    15,179.30/22,761.07 = 5,816.54/x
  3. Step 3: Cross multiply
    15,179.30x = 22,761.07 × 5,816.54
  4. Step 4: Simplify right side
    15,179.30x = 132,390,674.10
  5. Step 5: Solve for x
    x = 132,390,674.10/15,179.30
  6. Step 6: Final answer
    x = 8,721.79

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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.