Home / 17,137.24-25,696.30-5,287.65

Finding the Fourth Proportional to 17,137.24, 25,696.30 and 5,287.65

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Solution

The fourth proportional to 17,137.24, 25,696.30 and 5,287.65 is: 7,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.24 : 25,696.30 = 5,287.65 : x
  2. Step 2: Convert to fraction form
    17,137.24/25,696.30 = 5,287.65/x
  3. Step 3: Cross multiply
    17,137.24x = 25,696.30 × 5,287.65
  4. Step 4: Simplify right side
    17,137.24x = 135,872,941.03
  5. Step 5: Solve for x
    x = 135,872,941.03/17,137.24
  6. Step 6: Final answer
    x = 7,928.52

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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.