Home / 16,811.53-25,183.32-8,479.96

Finding the Fourth Proportional to 16,811.53, 25,183.32 and 8,479.96

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Solution

The fourth proportional to 16,811.53, 25,183.32 and 8,479.96 is: 12,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.53 : 25,183.32 = 8,479.96 : x
  2. Step 2: Convert to fraction form
    16,811.53/25,183.32 = 8,479.96/x
  3. Step 3: Cross multiply
    16,811.53x = 25,183.32 × 8,479.96
  4. Step 4: Simplify right side
    16,811.53x = 213,553,546.27
  5. Step 5: Solve for x
    x = 213,553,546.27/16,811.53
  6. Step 6: Final answer
    x = 12,702.80

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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.