Home / 15,587.91-23,382.68-7,794.09

Finding the Fourth Proportional to 15,587.91, 23,382.68 and 7,794.09

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Solution

The fourth proportional to 15,587.91, 23,382.68 and 7,794.09 is: 11,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.91 : 23,382.68 = 7,794.09 : x
  2. Step 2: Convert to fraction form
    15,587.91/23,382.68 = 7,794.09/x
  3. Step 3: Cross multiply
    15,587.91x = 23,382.68 × 7,794.09
  4. Step 4: Simplify right side
    15,587.91x = 182,246,673.39
  5. Step 5: Solve for x
    x = 182,246,673.39/15,587.91
  6. Step 6: Final answer
    x = 11,691.54

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.