Home / 25,813.17-38,654.15-17,021.43

Finding the Fourth Proportional to 25,813.17, 38,654.15 and 17,021.43

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Solution

The fourth proportional to 25,813.17, 38,654.15 and 17,021.43 is: 25,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.17 : 38,654.15 = 17,021.43 : x
  2. Step 2: Convert to fraction form
    25,813.17/38,654.15 = 17,021.43/x
  3. Step 3: Cross multiply
    25,813.17x = 38,654.15 × 17,021.43
  4. Step 4: Simplify right side
    25,813.17x = 657,948,823.33
  5. Step 5: Solve for x
    x = 657,948,823.33/25,813.17
  6. Step 6: Final answer
    x = 25,488.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.