Home / 16,747.24-25,121.39-8,422.71

Finding the Fourth Proportional to 16,747.24, 25,121.39 and 8,422.71

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Solution

The fourth proportional to 16,747.24, 25,121.39 and 8,422.71 is: 12,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.24 : 25,121.39 = 8,422.71 : x
  2. Step 2: Convert to fraction form
    16,747.24/25,121.39 = 8,422.71/x
  3. Step 3: Cross multiply
    16,747.24x = 25,121.39 × 8,422.71
  4. Step 4: Simplify right side
    16,747.24x = 211,590,164.48
  5. Step 5: Solve for x
    x = 211,590,164.48/16,747.24
  6. Step 6: Final answer
    x = 12,634.33

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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.