Home / 16,409.20-24,588.60-12,229.60

Finding the Fourth Proportional to 16,409.20, 24,588.60 and 12,229.60

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Solution

The fourth proportional to 16,409.20, 24,588.60 and 12,229.60 is: 18,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.20 : 24,588.60 = 12,229.60 : x
  2. Step 2: Convert to fraction form
    16,409.20/24,588.60 = 12,229.60/x
  3. Step 3: Cross multiply
    16,409.20x = 24,588.60 × 12,229.60
  4. Step 4: Simplify right side
    16,409.20x = 300,708,742.56
  5. Step 5: Solve for x
    x = 300,708,742.56/16,409.20
  6. Step 6: Final answer
    x = 18,325.62

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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.