Home / 18,456.65-27,687.60-5,972.52

Finding the Fourth Proportional to 18,456.65, 27,687.60 and 5,972.52

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Solution

The fourth proportional to 18,456.65, 27,687.60 and 5,972.52 is: 8,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.65 : 27,687.60 = 5,972.52 : x
  2. Step 2: Convert to fraction form
    18,456.65/27,687.60 = 5,972.52/x
  3. Step 3: Cross multiply
    18,456.65x = 27,687.60 × 5,972.52
  4. Step 4: Simplify right side
    18,456.65x = 165,364,744.75
  5. Step 5: Solve for x
    x = 165,364,744.75/18,456.65
  6. Step 6: Final answer
    x = 8,959.63

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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.