Home / 16,778.47-25,149.25-6,912.37

Finding the Fourth Proportional to 16,778.47, 25,149.25 and 6,912.37

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Solution

The fourth proportional to 16,778.47, 25,149.25 and 6,912.37 is: 10,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.47 : 25,149.25 = 6,912.37 : x
  2. Step 2: Convert to fraction form
    16,778.47/25,149.25 = 6,912.37/x
  3. Step 3: Cross multiply
    16,778.47x = 25,149.25 × 6,912.37
  4. Step 4: Simplify right side
    16,778.47x = 173,840,841.07
  5. Step 5: Solve for x
    x = 173,840,841.07/16,778.47
  6. Step 6: Final answer
    x = 10,360.95

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1.5x scale

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.