Home / 22,511.75-31,066.23-13,080.92

Finding the Fourth Proportional to 22,511.75, 31,066.23 and 13,080.92

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Solution

The fourth proportional to 22,511.75, 31,066.23 and 13,080.92 is: 18,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.75 : 31,066.23 = 13,080.92 : x
  2. Step 2: Convert to fraction form
    22,511.75/31,066.23 = 13,080.92/x
  3. Step 3: Cross multiply
    22,511.75x = 31,066.23 × 13,080.92
  4. Step 4: Simplify right side
    22,511.75x = 406,374,869.33
  5. Step 5: Solve for x
    x = 406,374,869.33/22,511.75
  6. Step 6: Final answer
    x = 18,051.68

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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.