Home / 13,571.24-20,329.50-6,796.40

Finding the Fourth Proportional to 13,571.24, 20,329.50 and 6,796.40

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Solution

The fourth proportional to 13,571.24, 20,329.50 and 6,796.40 is: 10,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.24 : 20,329.50 = 6,796.40 : x
  2. Step 2: Convert to fraction form
    13,571.24/20,329.50 = 6,796.40/x
  3. Step 3: Cross multiply
    13,571.24x = 20,329.50 × 6,796.40
  4. Step 4: Simplify right side
    13,571.24x = 138,167,413.80
  5. Step 5: Solve for x
    x = 138,167,413.80/13,571.24
  6. Step 6: Final answer
    x = 10,180.90

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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.