Home / 18,313.20-27,472.23-8,454.69

Finding the Fourth Proportional to 18,313.20, 27,472.23 and 8,454.69

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Solution

The fourth proportional to 18,313.20, 27,472.23 and 8,454.69 is: 12,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.20 : 27,472.23 = 8,454.69 : x
  2. Step 2: Convert to fraction form
    18,313.20/27,472.23 = 8,454.69/x
  3. Step 3: Cross multiply
    18,313.20x = 27,472.23 × 8,454.69
  4. Step 4: Simplify right side
    18,313.20x = 232,269,188.26
  5. Step 5: Solve for x
    x = 232,269,188.26/18,313.20
  6. Step 6: Final answer
    x = 12,683.16

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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.