Home / 19,786.54-27,304.74-11,824.06

Finding the Fourth Proportional to 19,786.54, 27,304.74 and 11,824.06

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Solution

The fourth proportional to 19,786.54, 27,304.74 and 11,824.06 is: 16,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.54 : 27,304.74 = 11,824.06 : x
  2. Step 2: Convert to fraction form
    19,786.54/27,304.74 = 11,824.06/x
  3. Step 3: Cross multiply
    19,786.54x = 27,304.74 × 11,824.06
  4. Step 4: Simplify right side
    19,786.54x = 322,852,884.04
  5. Step 5: Solve for x
    x = 322,852,884.04/19,786.54
  6. Step 6: Final answer
    x = 16,316.79

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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.