Home / 20,266.27-27,967.85-11,769.10

Finding the Fourth Proportional to 20,266.27, 27,967.85 and 11,769.10

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Solution

The fourth proportional to 20,266.27, 27,967.85 and 11,769.10 is: 16,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.27 : 27,967.85 = 11,769.10 : x
  2. Step 2: Convert to fraction form
    20,266.27/27,967.85 = 11,769.10/x
  3. Step 3: Cross multiply
    20,266.27x = 27,967.85 × 11,769.10
  4. Step 4: Simplify right side
    20,266.27x = 329,156,338.80
  5. Step 5: Solve for x
    x = 329,156,338.80/20,266.27
  6. Step 6: Final answer
    x = 16,241.59

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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.