Home / 13,404.60-20,100.36-4,042.89

Finding the Fourth Proportional to 13,404.60, 20,100.36 and 4,042.89

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Solution

The fourth proportional to 13,404.60, 20,100.36 and 4,042.89 is: 6,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.60 : 20,100.36 = 4,042.89 : x
  2. Step 2: Convert to fraction form
    13,404.60/20,100.36 = 4,042.89/x
  3. Step 3: Cross multiply
    13,404.60x = 20,100.36 × 4,042.89
  4. Step 4: Simplify right side
    13,404.60x = 81,263,544.44
  5. Step 5: Solve for x
    x = 81,263,544.44/13,404.60
  6. Step 6: Final answer
    x = 6,062.36

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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.