Home / 13,729.97-20,596.34-4,965.57

Finding the Fourth Proportional to 13,729.97, 20,596.34 and 4,965.57

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Solution

The fourth proportional to 13,729.97, 20,596.34 and 4,965.57 is: 7,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.97 : 20,596.34 = 4,965.57 : x
  2. Step 2: Convert to fraction form
    13,729.97/20,596.34 = 4,965.57/x
  3. Step 3: Cross multiply
    13,729.97x = 20,596.34 × 4,965.57
  4. Step 4: Simplify right side
    13,729.97x = 102,272,580.43
  5. Step 5: Solve for x
    x = 102,272,580.43/13,729.97
  6. Step 6: Final answer
    x = 7,448.86

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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.