Home / 16,043.20-24,016.20-12,122.80

Finding the Fourth Proportional to 16,043.20, 24,016.20 and 12,122.80

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Solution

The fourth proportional to 16,043.20, 24,016.20 and 12,122.80 is: 18,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,043.20 : 24,016.20 = 12,122.80 : x
  2. Step 2: Convert to fraction form
    16,043.20/24,016.20 = 12,122.80/x
  3. Step 3: Cross multiply
    16,043.20x = 24,016.20 × 12,122.80
  4. Step 4: Simplify right side
    16,043.20x = 291,143,589.36
  5. Step 5: Solve for x
    x = 291,143,589.36/16,043.20
  6. Step 6: Final answer
    x = 18,147.48

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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.