Home / 16,917.40-25,375.86-5,230.60

Finding the Fourth Proportional to 16,917.40, 25,375.86 and 5,230.60

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Solution

The fourth proportional to 16,917.40, 25,375.86 and 5,230.60 is: 7,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.40 : 25,375.86 = 5,230.60 : x
  2. Step 2: Convert to fraction form
    16,917.40/25,375.86 = 5,230.60/x
  3. Step 3: Cross multiply
    16,917.40x = 25,375.86 × 5,230.60
  4. Step 4: Simplify right side
    16,917.40x = 132,730,973.32
  5. Step 5: Solve for x
    x = 132,730,973.32/16,917.40
  6. Step 6: Final answer
    x = 7,845.83

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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.