Home / 13,175.53-19,760.44-4,170.35

Finding the Fourth Proportional to 13,175.53, 19,760.44 and 4,170.35

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Solution

The fourth proportional to 13,175.53, 19,760.44 and 4,170.35 is: 6,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.53 : 19,760.44 = 4,170.35 : x
  2. Step 2: Convert to fraction form
    13,175.53/19,760.44 = 4,170.35/x
  3. Step 3: Cross multiply
    13,175.53x = 19,760.44 × 4,170.35
  4. Step 4: Simplify right side
    13,175.53x = 82,407,861.21
  5. Step 5: Solve for x
    x = 82,407,861.21/13,175.53
  6. Step 6: Final answer
    x = 6,254.61

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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.