Home / 19,788.49-27,304.44-11,829.02

Finding the Fourth Proportional to 19,788.49, 27,304.44 and 11,829.02

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Solution

The fourth proportional to 19,788.49, 27,304.44 and 11,829.02 is: 16,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.49 : 27,304.44 = 11,829.02 : x
  2. Step 2: Convert to fraction form
    19,788.49/27,304.44 = 11,829.02/x
  3. Step 3: Cross multiply
    19,788.49x = 27,304.44 × 11,829.02
  4. Step 4: Simplify right side
    19,788.49x = 322,984,766.85
  5. Step 5: Solve for x
    x = 322,984,766.85/19,788.49
  6. Step 6: Final answer
    x = 16,321.85

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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.