Home / 27,863.10-41,794.65-18,515.70

Finding the Fourth Proportional to 27,863.10, 41,794.65 and 18,515.70

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Solution

The fourth proportional to 27,863.10, 41,794.65 and 18,515.70 is: 27,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.10 : 41,794.65 = 18,515.70 : x
  2. Step 2: Convert to fraction form
    27,863.10/41,794.65 = 18,515.70/x
  3. Step 3: Cross multiply
    27,863.10x = 41,794.65 × 18,515.70
  4. Step 4: Simplify right side
    27,863.10x = 773,857,201.01
  5. Step 5: Solve for x
    x = 773,857,201.01/27,863.10
  6. Step 6: Final answer
    x = 27,773.55

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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.