Home / 19,542.20-26,863.92-19,419.21

Finding the Fourth Proportional to 19,542.20, 26,863.92 and 19,419.21

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Solution

The fourth proportional to 19,542.20, 26,863.92 and 19,419.21 is: 26,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.20 : 26,863.92 = 19,419.21 : x
  2. Step 2: Convert to fraction form
    19,542.20/26,863.92 = 19,419.21/x
  3. Step 3: Cross multiply
    19,542.20x = 26,863.92 × 19,419.21
  4. Step 4: Simplify right side
    19,542.20x = 521,676,103.90
  5. Step 5: Solve for x
    x = 521,676,103.90/19,542.20
  6. Step 6: Final answer
    x = 26,694.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.