Home / 20,016.75-27,625.56-11,633.25

Finding the Fourth Proportional to 20,016.75, 27,625.56 and 11,633.25

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Solution

The fourth proportional to 20,016.75, 27,625.56 and 11,633.25 is: 16,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.75 : 27,625.56 = 11,633.25 : x
  2. Step 2: Convert to fraction form
    20,016.75/27,625.56 = 11,633.25/x
  3. Step 3: Cross multiply
    20,016.75x = 27,625.56 × 11,633.25
  4. Step 4: Simplify right side
    20,016.75x = 321,375,045.87
  5. Step 5: Solve for x
    x = 321,375,045.87/20,016.75
  6. Step 6: Final answer
    x = 16,055.31

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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.