Home / 18,079.44-27,114.38-8,216.53

Finding the Fourth Proportional to 18,079.44, 27,114.38 and 8,216.53

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Solution

The fourth proportional to 18,079.44, 27,114.38 and 8,216.53 is: 12,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.44 : 27,114.38 = 8,216.53 : x
  2. Step 2: Convert to fraction form
    18,079.44/27,114.38 = 8,216.53/x
  3. Step 3: Cross multiply
    18,079.44x = 27,114.38 × 8,216.53
  4. Step 4: Simplify right side
    18,079.44x = 222,786,116.70
  5. Step 5: Solve for x
    x = 222,786,116.70/18,079.44
  6. Step 6: Final answer
    x = 12,322.62

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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.