Home / 20,021.97-27,625.73-11,954.06

Finding the Fourth Proportional to 20,021.97, 27,625.73 and 11,954.06

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Solution

The fourth proportional to 20,021.97, 27,625.73 and 11,954.06 is: 16,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.97 : 27,625.73 = 11,954.06 : x
  2. Step 2: Convert to fraction form
    20,021.97/27,625.73 = 11,954.06/x
  3. Step 3: Cross multiply
    20,021.97x = 27,625.73 × 11,954.06
  4. Step 4: Simplify right side
    20,021.97x = 330,239,732.91
  5. Step 5: Solve for x
    x = 330,239,732.91/20,021.97
  6. Step 6: Final answer
    x = 16,493.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.