Home / 13,557.07-20,333.29-3,694.04

Finding the Fourth Proportional to 13,557.07, 20,333.29 and 3,694.04

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Solution

The fourth proportional to 13,557.07, 20,333.29 and 3,694.04 is: 5,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.07 : 20,333.29 = 3,694.04 : x
  2. Step 2: Convert to fraction form
    13,557.07/20,333.29 = 3,694.04/x
  3. Step 3: Cross multiply
    13,557.07x = 20,333.29 × 3,694.04
  4. Step 4: Simplify right side
    13,557.07x = 75,111,986.59
  5. Step 5: Solve for x
    x = 75,111,986.59/13,557.07
  6. Step 6: Final answer
    x = 5,540.43

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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.