Home / 21,829.24-32,716.46-9,334.58

Finding the Fourth Proportional to 21,829.24, 32,716.46 and 9,334.58

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Solution

The fourth proportional to 21,829.24, 32,716.46 and 9,334.58 is: 13,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.24 : 32,716.46 = 9,334.58 : x
  2. Step 2: Convert to fraction form
    21,829.24/32,716.46 = 9,334.58/x
  3. Step 3: Cross multiply
    21,829.24x = 32,716.46 × 9,334.58
  4. Step 4: Simplify right side
    21,829.24x = 305,394,413.19
  5. Step 5: Solve for x
    x = 305,394,413.19/21,829.24
  6. Step 6: Final answer
    x = 13,990.15

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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.