Home / 23,189.36-32,001.18-12,578.76

Finding the Fourth Proportional to 23,189.36, 32,001.18 and 12,578.76

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Solution

The fourth proportional to 23,189.36, 32,001.18 and 12,578.76 is: 17,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.36 : 32,001.18 = 12,578.76 : x
  2. Step 2: Convert to fraction form
    23,189.36/32,001.18 = 12,578.76/x
  3. Step 3: Cross multiply
    23,189.36x = 32,001.18 × 12,578.76
  4. Step 4: Simplify right side
    23,189.36x = 402,535,115.77
  5. Step 5: Solve for x
    x = 402,535,115.77/23,189.36
  6. Step 6: Final answer
    x = 17,358.62

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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.