Home / 17,787.72-26,625.66-12,208.44

Finding the Fourth Proportional to 17,787.72, 26,625.66 and 12,208.44

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Solution

The fourth proportional to 17,787.72, 26,625.66 and 12,208.44 is: 18,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.72 : 26,625.66 = 12,208.44 : x
  2. Step 2: Convert to fraction form
    17,787.72/26,625.66 = 12,208.44/x
  3. Step 3: Cross multiply
    17,787.72x = 26,625.66 × 12,208.44
  4. Step 4: Simplify right side
    17,787.72x = 325,057,772.57
  5. Step 5: Solve for x
    x = 325,057,772.57/17,787.72
  6. Step 6: Final answer
    x = 18,274.28

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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.