Home / 16,917.92-25,378.38-4,437.90

Finding the Fourth Proportional to 16,917.92, 25,378.38 and 4,437.90

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Solution

The fourth proportional to 16,917.92, 25,378.38 and 4,437.90 is: 6,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.92 : 25,378.38 = 4,437.90 : x
  2. Step 2: Convert to fraction form
    16,917.92/25,378.38 = 4,437.90/x
  3. Step 3: Cross multiply
    16,917.92x = 25,378.38 × 4,437.90
  4. Step 4: Simplify right side
    16,917.92x = 112,626,712.60
  5. Step 5: Solve for x
    x = 112,626,712.60/16,917.92
  6. Step 6: Final answer
    x = 6,657.24

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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.