Home / 13,729.17-20,593.77-3,340.83

Finding the Fourth Proportional to 13,729.17, 20,593.77 and 3,340.83

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Solution

The fourth proportional to 13,729.17, 20,593.77 and 3,340.83 is: 5,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.17 : 20,593.77 = 3,340.83 : x
  2. Step 2: Convert to fraction form
    13,729.17/20,593.77 = 3,340.83/x
  3. Step 3: Cross multiply
    13,729.17x = 20,593.77 × 3,340.83
  4. Step 4: Simplify right side
    13,729.17x = 68,800,284.63
  5. Step 5: Solve for x
    x = 68,800,284.63/13,729.17
  6. Step 6: Final answer
    x = 5,011.25

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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.