Home / 18,314.27-27,471.40-6,624.75

Finding the Fourth Proportional to 18,314.27, 27,471.40 and 6,624.75

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Solution

The fourth proportional to 18,314.27, 27,471.40 and 6,624.75 is: 9,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.27 : 27,471.40 = 6,624.75 : x
  2. Step 2: Convert to fraction form
    18,314.27/27,471.40 = 6,624.75/x
  3. Step 3: Cross multiply
    18,314.27x = 27,471.40 × 6,624.75
  4. Step 4: Simplify right side
    18,314.27x = 181,991,157.15
  5. Step 5: Solve for x
    x = 181,991,157.15/18,314.27
  6. Step 6: Final answer
    x = 9,937.12

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Similar ratio
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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.