Home / 21,413.46-32,073.42-8,895.54

Finding the Fourth Proportional to 21,413.46, 32,073.42 and 8,895.54

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Solution

The fourth proportional to 21,413.46, 32,073.42 and 8,895.54 is: 13,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.46 : 32,073.42 = 8,895.54 : x
  2. Step 2: Convert to fraction form
    21,413.46/32,073.42 = 8,895.54/x
  3. Step 3: Cross multiply
    21,413.46x = 32,073.42 × 8,895.54
  4. Step 4: Simplify right side
    21,413.46x = 285,310,322.12
  5. Step 5: Solve for x
    x = 285,310,322.12/21,413.46
  6. Step 6: Final answer
    x = 13,323.88

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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.