Home / 16,524.72-24,765.21-12,121.56

Finding the Fourth Proportional to 16,524.72, 24,765.21 and 12,121.56

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Solution

The fourth proportional to 16,524.72, 24,765.21 and 12,121.56 is: 18,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,524.72 : 24,765.21 = 12,121.56 : x
  2. Step 2: Convert to fraction form
    16,524.72/24,765.21 = 12,121.56/x
  3. Step 3: Cross multiply
    16,524.72x = 24,765.21 × 12,121.56
  4. Step 4: Simplify right side
    16,524.72x = 300,192,978.93
  5. Step 5: Solve for x
    x = 300,192,978.93/16,524.72
  6. Step 6: Final answer
    x = 18,166.30

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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.