Home / 13,797.28-20,695.97-3,409.03

Finding the Fourth Proportional to 13,797.28, 20,695.97 and 3,409.03

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Solution

The fourth proportional to 13,797.28, 20,695.97 and 3,409.03 is: 5,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.28 : 20,695.97 = 3,409.03 : x
  2. Step 2: Convert to fraction form
    13,797.28/20,695.97 = 3,409.03/x
  3. Step 3: Cross multiply
    13,797.28x = 20,695.97 × 3,409.03
  4. Step 4: Simplify right side
    13,797.28x = 70,553,182.61
  5. Step 5: Solve for x
    x = 70,553,182.61/13,797.28
  6. Step 6: Final answer
    x = 5,113.56

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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.