Home / 18,251.08-27,381.48-5,771.41

Finding the Fourth Proportional to 18,251.08, 27,381.48 and 5,771.41

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Solution

The fourth proportional to 18,251.08, 27,381.48 and 5,771.41 is: 8,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.08 : 27,381.48 = 5,771.41 : x
  2. Step 2: Convert to fraction form
    18,251.08/27,381.48 = 5,771.41/x
  3. Step 3: Cross multiply
    18,251.08x = 27,381.48 × 5,771.41
  4. Step 4: Simplify right side
    18,251.08x = 158,029,747.49
  5. Step 5: Solve for x
    x = 158,029,747.49/18,251.08
  6. Step 6: Final answer
    x = 8,658.65

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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.