Home / 22,575.38-31,213.48-19,772.84

Finding the Fourth Proportional to 22,575.38, 31,213.48 and 19,772.84

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Solution

The fourth proportional to 22,575.38, 31,213.48 and 19,772.84 is: 27,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.38 : 31,213.48 = 19,772.84 : x
  2. Step 2: Convert to fraction form
    22,575.38/31,213.48 = 19,772.84/x
  3. Step 3: Cross multiply
    22,575.38x = 31,213.48 × 19,772.84
  4. Step 4: Simplify right side
    22,575.38x = 617,179,145.88
  5. Step 5: Solve for x
    x = 617,179,145.88/22,575.38
  6. Step 6: Final answer
    x = 27,338.59

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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.