Home / 27,674.97-38,191.41-15,099.72

Finding the Fourth Proportional to 27,674.97, 38,191.41 and 15,099.72

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Solution

The fourth proportional to 27,674.97, 38,191.41 and 15,099.72 is: 20,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,674.97 : 38,191.41 = 15,099.72 : x
  2. Step 2: Convert to fraction form
    27,674.97/38,191.41 = 15,099.72/x
  3. Step 3: Cross multiply
    27,674.97x = 38,191.41 × 15,099.72
  4. Step 4: Simplify right side
    27,674.97x = 576,679,597.41
  5. Step 5: Solve for x
    x = 576,679,597.41/27,674.97
  6. Step 6: Final answer
    x = 20,837.59

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Half 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.