Home / 22,308.28-33,396.67-19,540.36

Finding the Fourth Proportional to 22,308.28, 33,396.67 and 19,540.36

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Solution

The fourth proportional to 22,308.28, 33,396.67 and 19,540.36 is: 29,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,308.28 : 33,396.67 = 19,540.36 : x
  2. Step 2: Convert to fraction form
    22,308.28/33,396.67 = 19,540.36/x
  3. Step 3: Cross multiply
    22,308.28x = 33,396.67 × 19,540.36
  4. Step 4: Simplify right side
    22,308.28x = 652,582,787.62
  5. Step 5: Solve for x
    x = 652,582,787.62/22,308.28
  6. Step 6: Final answer
    x = 29,252.95

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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.