Home / 20,066.28-27,693.90-11,682.84

Finding the Fourth Proportional to 20,066.28, 27,693.90 and 11,682.84

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Solution

The fourth proportional to 20,066.28, 27,693.90 and 11,682.84 is: 16,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.28 : 27,693.90 = 11,682.84 : x
  2. Step 2: Convert to fraction form
    20,066.28/27,693.90 = 11,682.84/x
  3. Step 3: Cross multiply
    20,066.28x = 27,693.90 × 11,682.84
  4. Step 4: Simplify right side
    20,066.28x = 323,543,402.68
  5. Step 5: Solve for x
    x = 323,543,402.68/20,066.28
  6. Step 6: Final answer
    x = 16,123.74

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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.