Home / 17,408.10-26,112.15-5,721.70

Finding the Fourth Proportional to 17,408.10, 26,112.15 and 5,721.70

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Solution

The fourth proportional to 17,408.10, 26,112.15 and 5,721.70 is: 8,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.10 : 26,112.15 = 5,721.70 : x
  2. Step 2: Convert to fraction form
    17,408.10/26,112.15 = 5,721.70/x
  3. Step 3: Cross multiply
    17,408.10x = 26,112.15 × 5,721.70
  4. Step 4: Simplify right side
    17,408.10x = 149,405,888.66
  5. Step 5: Solve for x
    x = 149,405,888.66/17,408.10
  6. Step 6: Final answer
    x = 8,582.55

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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.