Home / 13,255.60-19,884.60-5,462.80

Finding the Fourth Proportional to 13,255.60, 19,884.60 and 5,462.80

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Solution

The fourth proportional to 13,255.60, 19,884.60 and 5,462.80 is: 8,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.60 : 19,884.60 = 5,462.80 : x
  2. Step 2: Convert to fraction form
    13,255.60/19,884.60 = 5,462.80/x
  3. Step 3: Cross multiply
    13,255.60x = 19,884.60 × 5,462.80
  4. Step 4: Simplify right side
    13,255.60x = 108,625,592.88
  5. Step 5: Solve for x
    x = 108,625,592.88/13,255.60
  6. Step 6: Final answer
    x = 8,194.69

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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.