Home / 20,043.24-27,659.72-11,091.36

Finding the Fourth Proportional to 20,043.24, 27,659.72 and 11,091.36

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Solution

The fourth proportional to 20,043.24, 27,659.72 and 11,091.36 is: 15,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.24 : 27,659.72 = 11,091.36 : x
  2. Step 2: Convert to fraction form
    20,043.24/27,659.72 = 11,091.36/x
  3. Step 3: Cross multiply
    20,043.24x = 27,659.72 × 11,091.36
  4. Step 4: Simplify right side
    20,043.24x = 306,783,773.72
  5. Step 5: Solve for x
    x = 306,783,773.72/20,043.24
  6. Step 6: Final answer
    x = 15,306.10

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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.