Home / 22,134.80-33,221.10-8,996.60

Finding the Fourth Proportional to 22,134.80, 33,221.10 and 8,996.60

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Solution

The fourth proportional to 22,134.80, 33,221.10 and 8,996.60 is: 13,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.80 : 33,221.10 = 8,996.60 : x
  2. Step 2: Convert to fraction form
    22,134.80/33,221.10 = 8,996.60/x
  3. Step 3: Cross multiply
    22,134.80x = 33,221.10 × 8,996.60
  4. Step 4: Simplify right side
    22,134.80x = 298,876,948.26
  5. Step 5: Solve for x
    x = 298,876,948.26/22,134.80
  6. Step 6: Final answer
    x = 13,502.58

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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.