Home / 20,107.14-27,743.97-13,032.66

Finding the Fourth Proportional to 20,107.14, 27,743.97 and 13,032.66

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Solution

The fourth proportional to 20,107.14, 27,743.97 and 13,032.66 is: 17,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.14 : 27,743.97 = 13,032.66 : x
  2. Step 2: Convert to fraction form
    20,107.14/27,743.97 = 13,032.66/x
  3. Step 3: Cross multiply
    20,107.14x = 27,743.97 × 13,032.66
  4. Step 4: Simplify right side
    20,107.14x = 361,577,728.06
  5. Step 5: Solve for x
    x = 361,577,728.06/20,107.14
  6. Step 6: Final answer
    x = 17,982.55

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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.