Home / 22,175.44-30,602.11-15,114.20

Finding the Fourth Proportional to 22,175.44, 30,602.11 and 15,114.20

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Solution

The fourth proportional to 22,175.44, 30,602.11 and 15,114.20 is: 20,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.44 : 30,602.11 = 15,114.20 : x
  2. Step 2: Convert to fraction form
    22,175.44/30,602.11 = 15,114.20/x
  3. Step 3: Cross multiply
    22,175.44x = 30,602.11 × 15,114.20
  4. Step 4: Simplify right side
    22,175.44x = 462,526,182.38
  5. Step 5: Solve for x
    x = 462,526,182.38/22,175.44
  6. Step 6: Final answer
    x = 20,857.59

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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.