Home / 27,632.97-38,147.13-19,141.56

Finding the Fourth Proportional to 27,632.97, 38,147.13 and 19,141.56

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Solution

The fourth proportional to 27,632.97, 38,147.13 and 19,141.56 is: 26,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.97 : 38,147.13 = 19,141.56 : x
  2. Step 2: Convert to fraction form
    27,632.97/38,147.13 = 19,141.56/x
  3. Step 3: Cross multiply
    27,632.97x = 38,147.13 × 19,141.56
  4. Step 4: Simplify right side
    27,632.97x = 730,195,577.72
  5. Step 5: Solve for x
    x = 730,195,577.72/27,632.97
  6. Step 6: Final answer
    x = 26,424.80

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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.