Home / 13,407.53-20,110.68-3,546.59

Finding the Fourth Proportional to 13,407.53, 20,110.68 and 3,546.59

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Solution

The fourth proportional to 13,407.53, 20,110.68 and 3,546.59 is: 5,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.53 : 20,110.68 = 3,546.59 : x
  2. Step 2: Convert to fraction form
    13,407.53/20,110.68 = 3,546.59/x
  3. Step 3: Cross multiply
    13,407.53x = 20,110.68 × 3,546.59
  4. Step 4: Simplify right side
    13,407.53x = 71,324,236.03
  5. Step 5: Solve for x
    x = 71,324,236.03/13,407.53
  6. Step 6: Final answer
    x = 5,319.72

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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.