Home / 16,891.40-25,329.80-5,202.02

Finding the Fourth Proportional to 16,891.40, 25,329.80 and 5,202.02

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Solution

The fourth proportional to 16,891.40, 25,329.80 and 5,202.02 is: 7,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.40 : 25,329.80 = 5,202.02 : x
  2. Step 2: Convert to fraction form
    16,891.40/25,329.80 = 5,202.02/x
  3. Step 3: Cross multiply
    16,891.40x = 25,329.80 × 5,202.02
  4. Step 4: Simplify right side
    16,891.40x = 131,766,126.20
  5. Step 5: Solve for x
    x = 131,766,126.20/16,891.40
  6. Step 6: Final answer
    x = 7,800.78

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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.