Home / 22,680.09-33,986.82-11,419.95

Finding the Fourth Proportional to 22,680.09, 33,986.82 and 11,419.95

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Solution

The fourth proportional to 22,680.09, 33,986.82 and 11,419.95 is: 17,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.09 : 33,986.82 = 11,419.95 : x
  2. Step 2: Convert to fraction form
    22,680.09/33,986.82 = 11,419.95/x
  3. Step 3: Cross multiply
    22,680.09x = 33,986.82 × 11,419.95
  4. Step 4: Simplify right side
    22,680.09x = 388,127,785.06
  5. Step 5: Solve for x
    x = 388,127,785.06/22,680.09
  6. Step 6: Final answer
    x = 17,113.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.