Home / 13,906.26-20,859.21-3,376.37

Finding the Fourth Proportional to 13,906.26, 20,859.21 and 3,376.37

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Solution

The fourth proportional to 13,906.26, 20,859.21 and 3,376.37 is: 5,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.26 : 20,859.21 = 3,376.37 : x
  2. Step 2: Convert to fraction form
    13,906.26/20,859.21 = 3,376.37/x
  3. Step 3: Cross multiply
    13,906.26x = 20,859.21 × 3,376.37
  4. Step 4: Simplify right side
    13,906.26x = 70,428,306.57
  5. Step 5: Solve for x
    x = 70,428,306.57/13,906.26
  6. Step 6: Final answer
    x = 5,064.50

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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.