Home / 13,382.06-20,074.13-4,021.35

Finding the Fourth Proportional to 13,382.06, 20,074.13 and 4,021.35

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Solution

The fourth proportional to 13,382.06, 20,074.13 and 4,021.35 is: 6,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.06 : 20,074.13 = 4,021.35 : x
  2. Step 2: Convert to fraction form
    13,382.06/20,074.13 = 4,021.35/x
  3. Step 3: Cross multiply
    13,382.06x = 20,074.13 × 4,021.35
  4. Step 4: Simplify right side
    13,382.06x = 80,724,982.20
  5. Step 5: Solve for x
    x = 80,724,982.20/13,382.06
  6. Step 6: Final answer
    x = 6,032.33

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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.