Home / 20,016.75-27,623.12-11,184.75

Finding the Fourth Proportional to 20,016.75, 27,623.12 and 11,184.75

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Solution

The fourth proportional to 20,016.75, 27,623.12 and 11,184.75 is: 15,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.75 : 27,623.12 = 11,184.75 : x
  2. Step 2: Convert to fraction form
    20,016.75/27,623.12 = 11,184.75/x
  3. Step 3: Cross multiply
    20,016.75x = 27,623.12 × 11,184.75
  4. Step 4: Simplify right side
    20,016.75x = 308,957,635.50
  5. Step 5: Solve for x
    x = 308,957,635.50/20,016.75
  6. Step 6: Final answer
    x = 15,434.96

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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.