Home / 27,974.62-41,991.09-12,403.18

Finding the Fourth Proportional to 27,974.62, 41,991.09 and 12,403.18

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Solution

The fourth proportional to 27,974.62, 41,991.09 and 12,403.18 is: 18,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,974.62 : 41,991.09 = 12,403.18 : x
  2. Step 2: Convert to fraction form
    27,974.62/41,991.09 = 12,403.18/x
  3. Step 3: Cross multiply
    27,974.62x = 41,991.09 × 12,403.18
  4. Step 4: Simplify right side
    27,974.62x = 520,823,047.67
  5. Step 5: Solve for x
    x = 520,823,047.67/27,974.62
  6. Step 6: Final answer
    x = 18,617.70

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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.