Home / 20,188.26-27,844.02-13,116.96

Finding the Fourth Proportional to 20,188.26, 27,844.02 and 13,116.96

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Solution

The fourth proportional to 20,188.26, 27,844.02 and 13,116.96 is: 18,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.26 : 27,844.02 = 13,116.96 : x
  2. Step 2: Convert to fraction form
    20,188.26/27,844.02 = 13,116.96/x
  3. Step 3: Cross multiply
    20,188.26x = 27,844.02 × 13,116.96
  4. Step 4: Simplify right side
    20,188.26x = 365,228,896.58
  5. Step 5: Solve for x
    x = 365,228,896.58/20,188.26
  6. Step 6: Final answer
    x = 18,091.15

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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.