Home / 20,211.14-27,892.08-11,713.30

Finding the Fourth Proportional to 20,211.14, 27,892.08 and 11,713.30

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Solution

The fourth proportional to 20,211.14, 27,892.08 and 11,713.30 is: 16,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.14 : 27,892.08 = 11,713.30 : x
  2. Step 2: Convert to fraction form
    20,211.14/27,892.08 = 11,713.30/x
  3. Step 3: Cross multiply
    20,211.14x = 27,892.08 × 11,713.30
  4. Step 4: Simplify right side
    20,211.14x = 326,708,230.93
  5. Step 5: Solve for x
    x = 326,708,230.93/20,211.14
  6. Step 6: Final answer
    x = 16,164.76

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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.