Home / 19,591.90-27,042.33-12,517.42

Finding the Fourth Proportional to 19,591.90, 27,042.33 and 12,517.42

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Solution

The fourth proportional to 19,591.90, 27,042.33 and 12,517.42 is: 17,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.90 : 27,042.33 = 12,517.42 : x
  2. Step 2: Convert to fraction form
    19,591.90/27,042.33 = 12,517.42/x
  3. Step 3: Cross multiply
    19,591.90x = 27,042.33 × 12,517.42
  4. Step 4: Simplify right side
    19,591.90x = 338,500,202.39
  5. Step 5: Solve for x
    x = 338,500,202.39/19,591.90
  6. Step 6: Final answer
    x = 17,277.56

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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.