Home / 27,662.43-41,493.66-11,857.20

Finding the Fourth Proportional to 27,662.43, 41,493.66 and 11,857.20

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Solution

The fourth proportional to 27,662.43, 41,493.66 and 11,857.20 is: 17,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.43 : 41,493.66 = 11,857.20 : x
  2. Step 2: Convert to fraction form
    27,662.43/41,493.66 = 11,857.20/x
  3. Step 3: Cross multiply
    27,662.43x = 41,493.66 × 11,857.20
  4. Step 4: Simplify right side
    27,662.43x = 491,998,625.35
  5. Step 5: Solve for x
    x = 491,998,625.35/27,662.43
  6. Step 6: Final answer
    x = 17,785.81

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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.