Home / 20,067.33-27,692.65-11,114.81

Finding the Fourth Proportional to 20,067.33, 27,692.65 and 11,114.81

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Solution

The fourth proportional to 20,067.33, 27,692.65 and 11,114.81 is: 15,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.33 : 27,692.65 = 11,114.81 : x
  2. Step 2: Convert to fraction form
    20,067.33/27,692.65 = 11,114.81/x
  3. Step 3: Cross multiply
    20,067.33x = 27,692.65 × 11,114.81
  4. Step 4: Simplify right side
    20,067.33x = 307,798,543.15
  5. Step 5: Solve for x
    x = 307,798,543.15/20,067.33
  6. Step 6: Final answer
    x = 15,338.29

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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.