Home / 27,954.49-41,876.38-18,100.70

Finding the Fourth Proportional to 27,954.49, 41,876.38 and 18,100.70

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Solution

The fourth proportional to 27,954.49, 41,876.38 and 18,100.70 is: 27,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.49 : 41,876.38 = 18,100.70 : x
  2. Step 2: Convert to fraction form
    27,954.49/41,876.38 = 18,100.70/x
  3. Step 3: Cross multiply
    27,954.49x = 41,876.38 × 18,100.70
  4. Step 4: Simplify right side
    27,954.49x = 757,991,700.96
  5. Step 5: Solve for x
    x = 757,991,700.96/27,954.49
  6. Step 6: Final answer
    x = 27,115.21

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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.