Home / 16,862.58-25,293.87-5,175.90

Finding the Fourth Proportional to 16,862.58, 25,293.87 and 5,175.90

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Solution

The fourth proportional to 16,862.58, 25,293.87 and 5,175.90 is: 7,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.58 : 25,293.87 = 5,175.90 : x
  2. Step 2: Convert to fraction form
    16,862.58/25,293.87 = 5,175.90/x
  3. Step 3: Cross multiply
    16,862.58x = 25,293.87 × 5,175.90
  4. Step 4: Simplify right side
    16,862.58x = 130,918,541.73
  5. Step 5: Solve for x
    x = 130,918,541.73/16,862.58
  6. Step 6: Final answer
    x = 7,763.85

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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.