Home / 16,216.20-24,353.10-11,838.60

Finding the Fourth Proportional to 16,216.20, 24,353.10 and 11,838.60

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Solution

The fourth proportional to 16,216.20, 24,353.10 and 11,838.60 is: 17,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.20 : 24,353.10 = 11,838.60 : x
  2. Step 2: Convert to fraction form
    16,216.20/24,353.10 = 11,838.60/x
  3. Step 3: Cross multiply
    16,216.20x = 24,353.10 × 11,838.60
  4. Step 4: Simplify right side
    16,216.20x = 288,306,609.66
  5. Step 5: Solve for x
    x = 288,306,609.66/16,216.20
  6. Step 6: Final answer
    x = 17,778.93

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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.