Home / 13,454.54-20,180.79-5,960.42

Finding the Fourth Proportional to 13,454.54, 20,180.79 and 5,960.42

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Solution

The fourth proportional to 13,454.54, 20,180.79 and 5,960.42 is: 8,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.54 : 20,180.79 = 5,960.42 : x
  2. Step 2: Convert to fraction form
    13,454.54/20,180.79 = 5,960.42/x
  3. Step 3: Cross multiply
    13,454.54x = 20,180.79 × 5,960.42
  4. Step 4: Simplify right side
    13,454.54x = 120,285,984.33
  5. Step 5: Solve for x
    x = 120,285,984.33/13,454.54
  6. Step 6: Final answer
    x = 8,940.18

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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.