Home / 17,787.06-26,680.68-6,696.18

Finding the Fourth Proportional to 17,787.06, 26,680.68 and 6,696.18

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Solution

The fourth proportional to 17,787.06, 26,680.68 and 6,696.18 is: 10,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.06 : 26,680.68 = 6,696.18 : x
  2. Step 2: Convert to fraction form
    17,787.06/26,680.68 = 6,696.18/x
  3. Step 3: Cross multiply
    17,787.06x = 26,680.68 × 6,696.18
  4. Step 4: Simplify right side
    17,787.06x = 178,658,635.80
  5. Step 5: Solve for x
    x = 178,658,635.80/17,787.06
  6. Step 6: Final answer
    x = 10,044.30

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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.