Home / 16,121.20-24,179.94-7,794.22

Finding the Fourth Proportional to 16,121.20, 24,179.94 and 7,794.22

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Solution

The fourth proportional to 16,121.20, 24,179.94 and 7,794.22 is: 11,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.20 : 24,179.94 = 7,794.22 : x
  2. Step 2: Convert to fraction form
    16,121.20/24,179.94 = 7,794.22/x
  3. Step 3: Cross multiply
    16,121.20x = 24,179.94 × 7,794.22
  4. Step 4: Simplify right side
    16,121.20x = 188,463,771.95
  5. Step 5: Solve for x
    x = 188,463,771.95/16,121.20
  6. Step 6: Final answer
    x = 11,690.43

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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.