Home / 18,311.44-27,467.16-6,621.92

Finding the Fourth Proportional to 18,311.44, 27,467.16 and 6,621.92

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Solution

The fourth proportional to 18,311.44, 27,467.16 and 6,621.92 is: 9,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.44 : 27,467.16 = 6,621.92 : x
  2. Step 2: Convert to fraction form
    18,311.44/27,467.16 = 6,621.92/x
  3. Step 3: Cross multiply
    18,311.44x = 27,467.16 × 6,621.92
  4. Step 4: Simplify right side
    18,311.44x = 181,885,336.15
  5. Step 5: Solve for x
    x = 181,885,336.15/18,311.44
  6. Step 6: Final answer
    x = 9,932.88

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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.