Home / 19,988.44-27,584.07-11,035.95

Finding the Fourth Proportional to 19,988.44, 27,584.07 and 11,035.95

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Solution

The fourth proportional to 19,988.44, 27,584.07 and 11,035.95 is: 15,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.44 : 27,584.07 = 11,035.95 : x
  2. Step 2: Convert to fraction form
    19,988.44/27,584.07 = 11,035.95/x
  3. Step 3: Cross multiply
    19,988.44x = 27,584.07 × 11,035.95
  4. Step 4: Simplify right side
    19,988.44x = 304,416,279.40
  5. Step 5: Solve for x
    x = 304,416,279.40/19,988.44
  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.