Home / 20,067.53-27,693.39-12,108.22

Finding the Fourth Proportional to 20,067.53, 27,693.39 and 12,108.22

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Solution

The fourth proportional to 20,067.53, 27,693.39 and 12,108.22 is: 16,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.53 : 27,693.39 = 12,108.22 : x
  2. Step 2: Convert to fraction form
    20,067.53/27,693.39 = 12,108.22/x
  3. Step 3: Cross multiply
    20,067.53x = 27,693.39 × 12,108.22
  4. Step 4: Simplify right side
    20,067.53x = 335,317,459.66
  5. Step 5: Solve for x
    x = 335,317,459.66/20,067.53
  6. Step 6: Final answer
    x = 16,709.46

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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.