Home / 17,616.34-26,415.82-8,721.37

Finding the Fourth Proportional to 17,616.34, 26,415.82 and 8,721.37

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Solution

The fourth proportional to 17,616.34, 26,415.82 and 8,721.37 is: 13,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.34 : 26,415.82 = 8,721.37 : x
  2. Step 2: Convert to fraction form
    17,616.34/26,415.82 = 8,721.37/x
  3. Step 3: Cross multiply
    17,616.34x = 26,415.82 × 8,721.37
  4. Step 4: Simplify right side
    17,616.34x = 230,382,183.99
  5. Step 5: Solve for x
    x = 230,382,183.99/17,616.34
  6. Step 6: Final answer
    x = 13,077.76

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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.