Home / 21,374.06-32,061.09-5,791.68

Finding the Fourth Proportional to 21,374.06, 32,061.09 and 5,791.68

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Solution

The fourth proportional to 21,374.06, 32,061.09 and 5,791.68 is: 8,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.06 : 32,061.09 = 5,791.68 : x
  2. Step 2: Convert to fraction form
    21,374.06/32,061.09 = 5,791.68/x
  3. Step 3: Cross multiply
    21,374.06x = 32,061.09 × 5,791.68
  4. Step 4: Simplify right side
    21,374.06x = 185,687,573.73
  5. Step 5: Solve for x
    x = 185,687,573.73/21,374.06
  6. Step 6: Final answer
    x = 8,687.52

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Double scale
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Similar ratio
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1.5x scale

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.