Home / 33,309.38-45,965.50-18,201.80

Finding the Fourth Proportional to 33,309.38, 45,965.50 and 18,201.80

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Solution

The fourth proportional to 33,309.38, 45,965.50 and 18,201.80 is: 25,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.38 : 45,965.50 = 18,201.80 : x
  2. Step 2: Convert to fraction form
    33,309.38/45,965.50 = 18,201.80/x
  3. Step 3: Cross multiply
    33,309.38x = 45,965.50 × 18,201.80
  4. Step 4: Simplify right side
    33,309.38x = 836,654,837.90
  5. Step 5: Solve for x
    x = 836,654,837.90/33,309.38
  6. Step 6: Final answer
    x = 25,117.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.