Home / 16,786.53-25,171.92-5,685.66

Finding the Fourth Proportional to 16,786.53, 25,171.92 and 5,685.66

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Solution

The fourth proportional to 16,786.53, 25,171.92 and 5,685.66 is: 8,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.53 : 25,171.92 = 5,685.66 : x
  2. Step 2: Convert to fraction form
    16,786.53/25,171.92 = 5,685.66/x
  3. Step 3: Cross multiply
    16,786.53x = 25,171.92 × 5,685.66
  4. Step 4: Simplify right side
    16,786.53x = 143,118,978.67
  5. Step 5: Solve for x
    x = 143,118,978.67/16,786.53
  6. Step 6: Final answer
    x = 8,525.82

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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.