Home / 13,936.75-20,911.27-5,632.98

Finding the Fourth Proportional to 13,936.75, 20,911.27 and 5,632.98

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Solution

The fourth proportional to 13,936.75, 20,911.27 and 5,632.98 is: 8,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.75 : 20,911.27 = 5,632.98 : x
  2. Step 2: Convert to fraction form
    13,936.75/20,911.27 = 5,632.98/x
  3. Step 3: Cross multiply
    13,936.75x = 20,911.27 × 5,632.98
  4. Step 4: Simplify right side
    13,936.75x = 117,792,765.68
  5. Step 5: Solve for x
    x = 117,792,765.68/13,936.75
  6. Step 6: Final answer
    x = 8,451.95

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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.