Home / 20,066.12-27,692.22-11,114.60

Finding the Fourth Proportional to 20,066.12, 27,692.22 and 11,114.60

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Solution

The fourth proportional to 20,066.12, 27,692.22 and 11,114.60 is: 15,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.12 : 27,692.22 = 11,114.60 : x
  2. Step 2: Convert to fraction form
    20,066.12/27,692.22 = 11,114.60/x
  3. Step 3: Cross multiply
    20,066.12x = 27,692.22 × 11,114.60
  4. Step 4: Simplify right side
    20,066.12x = 307,787,948.41
  5. Step 5: Solve for x
    x = 307,787,948.41/20,066.12
  6. Step 6: Final answer
    x = 15,338.69

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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.