Home / 13,597.75-20,396.62-4,238.52

Finding the Fourth Proportional to 13,597.75, 20,396.62 and 4,238.52

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Solution

The fourth proportional to 13,597.75, 20,396.62 and 4,238.52 is: 6,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.75 : 20,396.62 = 4,238.52 : x
  2. Step 2: Convert to fraction form
    13,597.75/20,396.62 = 4,238.52/x
  3. Step 3: Cross multiply
    13,597.75x = 20,396.62 × 4,238.52
  4. Step 4: Simplify right side
    13,597.75x = 86,451,481.80
  5. Step 5: Solve for x
    x = 86,451,481.80/13,597.75
  6. Step 6: Final answer
    x = 6,357.78

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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.