Home / 20,262.54-30,294-17,177.10

Finding the Fourth Proportional to 20,262.54, 30,294 and 17,177.10

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Solution

The fourth proportional to 20,262.54, 30,294 and 17,177.10 is: 25,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.54 : 30,294 = 17,177.10 : x
  2. Step 2: Convert to fraction form
    20,262.54/30,294 = 17,177.10/x
  3. Step 3: Cross multiply
    20,262.54x = 30,294 × 17,177.10
  4. Step 4: Simplify right side
    20,262.54x = 520,363,067.40
  5. Step 5: Solve for x
    x = 520,363,067.40/20,262.54
  6. Step 6: Final answer
    x = 25,681.04

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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.