Home / 13,175.92-19,759.12-4,408.79

Finding the Fourth Proportional to 13,175.92, 19,759.12 and 4,408.79

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Solution

The fourth proportional to 13,175.92, 19,759.12 and 4,408.79 is: 6,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.92 : 19,759.12 = 4,408.79 : x
  2. Step 2: Convert to fraction form
    13,175.92/19,759.12 = 4,408.79/x
  3. Step 3: Cross multiply
    13,175.92x = 19,759.12 × 4,408.79
  4. Step 4: Simplify right side
    13,175.92x = 87,113,689.83
  5. Step 5: Solve for x
    x = 87,113,689.83/13,175.92
  6. Step 6: Final answer
    x = 6,611.58

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1.5x scale

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.