Home / 17,838.14-26,757.49-8,479.13

Finding the Fourth Proportional to 17,838.14, 26,757.49 and 8,479.13

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Solution

The fourth proportional to 17,838.14, 26,757.49 and 8,479.13 is: 12,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.14 : 26,757.49 = 8,479.13 : x
  2. Step 2: Convert to fraction form
    17,838.14/26,757.49 = 8,479.13/x
  3. Step 3: Cross multiply
    17,838.14x = 26,757.49 × 8,479.13
  4. Step 4: Simplify right side
    17,838.14x = 226,880,081.20
  5. Step 5: Solve for x
    x = 226,880,081.20/17,838.14
  6. Step 6: Final answer
    x = 12,718.82

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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.