Home / 17,156.54-25,736.49-5,309.85

Finding the Fourth Proportional to 17,156.54, 25,736.49 and 5,309.85

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Solution

The fourth proportional to 17,156.54, 25,736.49 and 5,309.85 is: 7,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.54 : 25,736.49 = 5,309.85 : x
  2. Step 2: Convert to fraction form
    17,156.54/25,736.49 = 5,309.85/x
  3. Step 3: Cross multiply
    17,156.54x = 25,736.49 × 5,309.85
  4. Step 4: Simplify right side
    17,156.54x = 136,656,901.43
  5. Step 5: Solve for x
    x = 136,656,901.43/17,156.54
  6. Step 6: Final answer
    x = 7,965.30

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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.