Home / 27,872.38-41,814.66-11,868.40

Finding the Fourth Proportional to 27,872.38, 41,814.66 and 11,868.40

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Solution

The fourth proportional to 27,872.38, 41,814.66 and 11,868.40 is: 17,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.38 : 41,814.66 = 11,868.40 : x
  2. Step 2: Convert to fraction form
    27,872.38/41,814.66 = 11,868.40/x
  3. Step 3: Cross multiply
    27,872.38x = 41,814.66 × 11,868.40
  4. Step 4: Simplify right side
    27,872.38x = 496,273,110.74
  5. Step 5: Solve for x
    x = 496,273,110.74/27,872.38
  6. Step 6: Final answer
    x = 17,805.19

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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.