Home / 15,542.80-23,322.30-6,778.60

Finding the Fourth Proportional to 15,542.80, 23,322.30 and 6,778.60

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Solution

The fourth proportional to 15,542.80, 23,322.30 and 6,778.60 is: 10,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.80 : 23,322.30 = 6,778.60 : x
  2. Step 2: Convert to fraction form
    15,542.80/23,322.30 = 6,778.60/x
  3. Step 3: Cross multiply
    15,542.80x = 23,322.30 × 6,778.60
  4. Step 4: Simplify right side
    15,542.80x = 158,092,542.78
  5. Step 5: Solve for x
    x = 158,092,542.78/15,542.80
  6. Step 6: Final answer
    x = 10,171.43

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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.