Home / 19,520.88-29,272.92-6,190.80

Finding the Fourth Proportional to 19,520.88, 29,272.92 and 6,190.80

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Solution

The fourth proportional to 19,520.88, 29,272.92 and 6,190.80 is: 9,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.88 : 29,272.92 = 6,190.80 : x
  2. Step 2: Convert to fraction form
    19,520.88/29,272.92 = 6,190.80/x
  3. Step 3: Cross multiply
    19,520.88x = 29,272.92 × 6,190.80
  4. Step 4: Simplify right side
    19,520.88x = 181,222,793.14
  5. Step 5: Solve for x
    x = 181,222,793.14/19,520.88
  6. Step 6: Final answer
    x = 9,283.54

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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.