Home / 18,304.86-25,261.11-11,227.10

Finding the Fourth Proportional to 18,304.86, 25,261.11 and 11,227.10

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Solution

The fourth proportional to 18,304.86, 25,261.11 and 11,227.10 is: 15,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.86 : 25,261.11 = 11,227.10 : x
  2. Step 2: Convert to fraction form
    18,304.86/25,261.11 = 11,227.10/x
  3. Step 3: Cross multiply
    18,304.86x = 25,261.11 × 11,227.10
  4. Step 4: Simplify right side
    18,304.86x = 283,609,008.08
  5. Step 5: Solve for x
    x = 283,609,008.08/18,304.86
  6. Step 6: Final answer
    x = 15,493.65

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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.