Home / 20,163.82-27,824.17-11,664.58

Finding the Fourth Proportional to 20,163.82, 27,824.17 and 11,664.58

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Solution

The fourth proportional to 20,163.82, 27,824.17 and 11,664.58 is: 16,096.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.82 : 27,824.17 = 11,664.58 : x
  2. Step 2: Convert to fraction form
    20,163.82/27,824.17 = 11,664.58/x
  3. Step 3: Cross multiply
    20,163.82x = 27,824.17 × 11,664.58
  4. Step 4: Simplify right side
    20,163.82x = 324,557,256.90
  5. Step 5: Solve for x
    x = 324,557,256.90/20,163.82
  6. Step 6: Final answer
    x = 16,096.02

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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.