Home / 13,175.87-19,760.96-4,170.69

Finding the Fourth Proportional to 13,175.87, 19,760.96 and 4,170.69

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Solution

The fourth proportional to 13,175.87, 19,760.96 and 4,170.69 is: 6,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.87 : 19,760.96 = 4,170.69 : x
  2. Step 2: Convert to fraction form
    13,175.87/19,760.96 = 4,170.69/x
  3. Step 3: Cross multiply
    13,175.87x = 19,760.96 × 4,170.69
  4. Step 4: Simplify right side
    13,175.87x = 82,416,817.41
  5. Step 5: Solve for x
    x = 82,416,817.41/13,175.87
  6. Step 6: Final answer
    x = 6,255.14

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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.