Home / 18,691.58-25,794.05-10,193.76

Finding the Fourth Proportional to 18,691.58, 25,794.05 and 10,193.76

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Solution

The fourth proportional to 18,691.58, 25,794.05 and 10,193.76 is: 14,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.58 : 25,794.05 = 10,193.76 : x
  2. Step 2: Convert to fraction form
    18,691.58/25,794.05 = 10,193.76/x
  3. Step 3: Cross multiply
    18,691.58x = 25,794.05 × 10,193.76
  4. Step 4: Simplify right side
    18,691.58x = 262,938,304.16
  5. Step 5: Solve for x
    x = 262,938,304.16/18,691.58
  6. Step 6: Final answer
    x = 14,067.20

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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.