Home / 12,016.20-18,033.84-8,344.44

Finding the Fourth Proportional to 12,016.20, 18,033.84 and 8,344.44

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Solution

The fourth proportional to 12,016.20, 18,033.84 and 8,344.44 is: 12,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.20 : 18,033.84 = 8,344.44 : x
  2. Step 2: Convert to fraction form
    12,016.20/18,033.84 = 8,344.44/x
  3. Step 3: Cross multiply
    12,016.20x = 18,033.84 × 8,344.44
  4. Step 4: Simplify right side
    12,016.20x = 150,482,295.85
  5. Step 5: Solve for x
    x = 150,482,295.85/12,016.20
  6. Step 6: Final answer
    x = 12,523.28

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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.