Home / 13,963.82-20,940.26-5,193.95

Finding the Fourth Proportional to 13,963.82, 20,940.26 and 5,193.95

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Solution

The fourth proportional to 13,963.82, 20,940.26 and 5,193.95 is: 7,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.82 : 20,940.26 = 5,193.95 : x
  2. Step 2: Convert to fraction form
    13,963.82/20,940.26 = 5,193.95/x
  3. Step 3: Cross multiply
    13,963.82x = 20,940.26 × 5,193.95
  4. Step 4: Simplify right side
    13,963.82x = 108,762,532.76
  5. Step 5: Solve for x
    x = 108,762,532.76/13,963.82
  6. Step 6: Final answer
    x = 7,788.88

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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.