Home / 20,066.83-27,692.51-11,568.78

Finding the Fourth Proportional to 20,066.83, 27,692.51 and 11,568.78

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Solution

The fourth proportional to 20,066.83, 27,692.51 and 11,568.78 is: 15,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.83 : 27,692.51 = 11,568.78 : x
  2. Step 2: Convert to fraction form
    20,066.83/27,692.51 = 11,568.78/x
  3. Step 3: Cross multiply
    20,066.83x = 27,692.51 × 11,568.78
  4. Step 4: Simplify right side
    20,066.83x = 320,368,497.99
  5. Step 5: Solve for x
    x = 320,368,497.99/20,066.83
  6. Step 6: Final answer
    x = 15,965.08

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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.