Home / 22,649.73-31,260.33-13,218.27

Finding the Fourth Proportional to 22,649.73, 31,260.33 and 13,218.27

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Solution

The fourth proportional to 22,649.73, 31,260.33 and 13,218.27 is: 18,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.73 : 31,260.33 = 13,218.27 : x
  2. Step 2: Convert to fraction form
    22,649.73/31,260.33 = 13,218.27/x
  3. Step 3: Cross multiply
    22,649.73x = 31,260.33 × 13,218.27
  4. Step 4: Simplify right side
    22,649.73x = 413,207,482.23
  5. Step 5: Solve for x
    x = 413,207,482.23/22,649.73
  6. Step 6: Final answer
    x = 18,243.37

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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.