Home / 17,678.22-24,398.28-11,408.82

Finding the Fourth Proportional to 17,678.22, 24,398.28 and 11,408.82

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Solution

The fourth proportional to 17,678.22, 24,398.28 and 11,408.82 is: 15,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.22 : 24,398.28 = 11,408.82 : x
  2. Step 2: Convert to fraction form
    17,678.22/24,398.28 = 11,408.82/x
  3. Step 3: Cross multiply
    17,678.22x = 24,398.28 × 11,408.82
  4. Step 4: Simplify right side
    17,678.22x = 278,355,584.83
  5. Step 5: Solve for x
    x = 278,355,584.83/17,678.22
  6. Step 6: Final answer
    x = 15,745.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.