Home / 13,604.46-20,404.30-3,741.36

Finding the Fourth Proportional to 13,604.46, 20,404.30 and 3,741.36

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Solution

The fourth proportional to 13,604.46, 20,404.30 and 3,741.36 is: 5,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.46 : 20,404.30 = 3,741.36 : x
  2. Step 2: Convert to fraction form
    13,604.46/20,404.30 = 3,741.36/x
  3. Step 3: Cross multiply
    13,604.46x = 20,404.30 × 3,741.36
  4. Step 4: Simplify right side
    13,604.46x = 76,339,873.51
  5. Step 5: Solve for x
    x = 76,339,873.51/13,604.46
  6. Step 6: Final answer
    x = 5,611.38

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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.