Home / 27,644.76-38,120.22-18,196.92

Finding the Fourth Proportional to 27,644.76, 38,120.22 and 18,196.92

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Solution

The fourth proportional to 27,644.76, 38,120.22 and 18,196.92 is: 25,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,644.76 : 38,120.22 = 18,196.92 : x
  2. Step 2: Convert to fraction form
    27,644.76/38,120.22 = 18,196.92/x
  3. Step 3: Cross multiply
    27,644.76x = 38,120.22 × 18,196.92
  4. Step 4: Simplify right side
    27,644.76x = 693,670,593.72
  5. Step 5: Solve for x
    x = 693,670,593.72/27,644.76
  6. Step 6: Final answer
    x = 25,092.30

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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.