Home / 19,964.97-27,551.29-11,013.31

Finding the Fourth Proportional to 19,964.97, 27,551.29 and 11,013.31

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Solution

The fourth proportional to 19,964.97, 27,551.29 and 11,013.31 is: 15,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.97 : 27,551.29 = 11,013.31 : x
  2. Step 2: Convert to fraction form
    19,964.97/27,551.29 = 11,013.31/x
  3. Step 3: Cross multiply
    19,964.97x = 27,551.29 × 11,013.31
  4. Step 4: Simplify right side
    19,964.97x = 303,430,842.60
  5. Step 5: Solve for x
    x = 303,430,842.60/19,964.97
  6. Step 6: Final answer
    x = 15,198.16

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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.