Home / 20,049.97-27,669.21-11,098.31

Finding the Fourth Proportional to 20,049.97, 27,669.21 and 11,098.31

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Solution

The fourth proportional to 20,049.97, 27,669.21 and 11,098.31 is: 15,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.97 : 27,669.21 = 11,098.31 : x
  2. Step 2: Convert to fraction form
    20,049.97/27,669.21 = 11,098.31/x
  3. Step 3: Cross multiply
    20,049.97x = 27,669.21 × 11,098.31
  4. Step 4: Simplify right side
    20,049.97x = 307,081,383.50
  5. Step 5: Solve for x
    x = 307,081,383.50/20,049.97
  6. Step 6: Final answer
    x = 15,315.80

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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.