Home / 19,988.72-27,584.25-11,036.03

Finding the Fourth Proportional to 19,988.72, 27,584.25 and 11,036.03

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Solution

The fourth proportional to 19,988.72, 27,584.25 and 11,036.03 is: 15,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.72 : 27,584.25 = 11,036.03 : x
  2. Step 2: Convert to fraction form
    19,988.72/27,584.25 = 11,036.03/x
  3. Step 3: Cross multiply
    19,988.72x = 27,584.25 × 11,036.03
  4. Step 4: Simplify right side
    19,988.72x = 304,420,610.53
  5. Step 5: Solve for x
    x = 304,420,610.53/19,988.72
  6. Step 6: Final answer
    x = 15,229.62

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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.