Home / 13,823.80-20,723.24-5,052.56

Finding the Fourth Proportional to 13,823.80, 20,723.24 and 5,052.56

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Solution

The fourth proportional to 13,823.80, 20,723.24 and 5,052.56 is: 7,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.80 : 20,723.24 = 5,052.56 : x
  2. Step 2: Convert to fraction form
    13,823.80/20,723.24 = 5,052.56/x
  3. Step 3: Cross multiply
    13,823.80x = 20,723.24 × 5,052.56
  4. Step 4: Simplify right side
    13,823.80x = 104,705,413.49
  5. Step 5: Solve for x
    x = 104,705,413.49/13,823.80
  6. Step 6: Final answer
    x = 7,574.29

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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.