Home / 13,467.66-20,200.94-5,147.34

Finding the Fourth Proportional to 13,467.66, 20,200.94 and 5,147.34

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Solution

The fourth proportional to 13,467.66, 20,200.94 and 5,147.34 is: 7,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.66 : 20,200.94 = 5,147.34 : x
  2. Step 2: Convert to fraction form
    13,467.66/20,200.94 = 5,147.34/x
  3. Step 3: Cross multiply
    13,467.66x = 20,200.94 × 5,147.34
  4. Step 4: Simplify right side
    13,467.66x = 103,981,106.50
  5. Step 5: Solve for x
    x = 103,981,106.50/13,467.66
  6. Step 6: Final answer
    x = 7,720.80

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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.