Home / 17,832.86-24,621.30-11,121.20

Finding the Fourth Proportional to 17,832.86, 24,621.30 and 11,121.20

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Solution

The fourth proportional to 17,832.86, 24,621.30 and 11,121.20 is: 15,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,832.86 : 24,621.30 = 11,121.20 : x
  2. Step 2: Convert to fraction form
    17,832.86/24,621.30 = 11,121.20/x
  3. Step 3: Cross multiply
    17,832.86x = 24,621.30 × 11,121.20
  4. Step 4: Simplify right side
    17,832.86x = 273,818,401.56
  5. Step 5: Solve for x
    x = 273,818,401.56/17,832.86
  6. Step 6: Final answer
    x = 15,354.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.