Home / 22,627.38-31,228.84-13,202.22

Finding the Fourth Proportional to 22,627.38, 31,228.84 and 13,202.22

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Solution

The fourth proportional to 22,627.38, 31,228.84 and 13,202.22 is: 18,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.38 : 31,228.84 = 13,202.22 : x
  2. Step 2: Convert to fraction form
    22,627.38/31,228.84 = 13,202.22/x
  3. Step 3: Cross multiply
    22,627.38x = 31,228.84 × 13,202.22
  4. Step 4: Simplify right side
    22,627.38x = 412,290,016.02
  5. Step 5: Solve for x
    x = 412,290,016.02/22,627.38
  6. Step 6: Final answer
    x = 18,220.85

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Half scale
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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.