Home / 13,467.30-20,204.14-6,787.38

Finding the Fourth Proportional to 13,467.30, 20,204.14 and 6,787.38

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Solution

The fourth proportional to 13,467.30, 20,204.14 and 6,787.38 is: 10,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.30 : 20,204.14 = 6,787.38 : x
  2. Step 2: Convert to fraction form
    13,467.30/20,204.14 = 6,787.38/x
  3. Step 3: Cross multiply
    13,467.30x = 20,204.14 × 6,787.38
  4. Step 4: Simplify right side
    13,467.30x = 137,133,175.75
  5. Step 5: Solve for x
    x = 137,133,175.75/13,467.30
  6. Step 6: Final answer
    x = 10,182.68

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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.