Home / 13,361.58-20,042.12-4,001.66

Finding the Fourth Proportional to 13,361.58, 20,042.12 and 4,001.66

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Solution

The fourth proportional to 13,361.58, 20,042.12 and 4,001.66 is: 6,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.58 : 20,042.12 = 4,001.66 : x
  2. Step 2: Convert to fraction form
    13,361.58/20,042.12 = 4,001.66/x
  3. Step 3: Cross multiply
    13,361.58x = 20,042.12 × 4,001.66
  4. Step 4: Simplify right side
    13,361.58x = 80,201,749.92
  5. Step 5: Solve for x
    x = 80,201,749.92/13,361.58
  6. Step 6: Final answer
    x = 6,002.42

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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.