Home / 20,066.68-27,692.25-11,114.33

Finding the Fourth Proportional to 20,066.68, 27,692.25 and 11,114.33

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Solution

The fourth proportional to 20,066.68, 27,692.25 and 11,114.33 is: 15,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.68 : 27,692.25 = 11,114.33 : x
  2. Step 2: Convert to fraction form
    20,066.68/27,692.25 = 11,114.33/x
  3. Step 3: Cross multiply
    20,066.68x = 27,692.25 × 11,114.33
  4. Step 4: Simplify right side
    20,066.68x = 307,780,874.17
  5. Step 5: Solve for x
    x = 307,780,874.17/20,066.68
  6. Step 6: Final answer
    x = 15,337.91

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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.