Home / 18,217.17-27,326.16-8,349.75

Finding the Fourth Proportional to 18,217.17, 27,326.16 and 8,349.75

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Solution

The fourth proportional to 18,217.17, 27,326.16 and 8,349.75 is: 12,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.17 : 27,326.16 = 8,349.75 : x
  2. Step 2: Convert to fraction form
    18,217.17/27,326.16 = 8,349.75/x
  3. Step 3: Cross multiply
    18,217.17x = 27,326.16 × 8,349.75
  4. Step 4: Simplify right side
    18,217.17x = 228,166,604.46
  5. Step 5: Solve for x
    x = 228,166,604.46/18,217.17
  6. Step 6: Final answer
    x = 12,524.81

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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.