Home / 13,841.83-20,762.82-3,453.58

Finding the Fourth Proportional to 13,841.83, 20,762.82 and 3,453.58

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Solution

The fourth proportional to 13,841.83, 20,762.82 and 3,453.58 is: 5,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.83 : 20,762.82 = 3,453.58 : x
  2. Step 2: Convert to fraction form
    13,841.83/20,762.82 = 3,453.58/x
  3. Step 3: Cross multiply
    13,841.83x = 20,762.82 × 3,453.58
  4. Step 4: Simplify right side
    13,841.83x = 71,706,059.90
  5. Step 5: Solve for x
    x = 71,706,059.90/13,841.83
  6. Step 6: Final answer
    x = 5,180.39

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1.5x scale

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.