Home / 38,196.15-52,711.12-21,200.73

Finding the Fourth Proportional to 38,196.15, 52,711.12 and 21,200.73

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Solution

The fourth proportional to 38,196.15, 52,711.12 and 21,200.73 is: 29,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.15 : 52,711.12 = 21,200.73 : x
  2. Step 2: Convert to fraction form
    38,196.15/52,711.12 = 21,200.73/x
  3. Step 3: Cross multiply
    38,196.15x = 52,711.12 × 21,200.73
  4. Step 4: Simplify right side
    38,196.15x = 1,117,514,223.12
  5. Step 5: Solve for x
    x = 1,117,514,223.12/38,196.15
  6. Step 6: Final answer
    x = 29,257.25

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Half scale
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Double scale
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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.