Home / 20,794.14-31,190.40-6,753.60

Finding the Fourth Proportional to 20,794.14, 31,190.40 and 6,753.60

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Solution

The fourth proportional to 20,794.14, 31,190.40 and 6,753.60 is: 10,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.14 : 31,190.40 = 6,753.60 : x
  2. Step 2: Convert to fraction form
    20,794.14/31,190.40 = 6,753.60/x
  3. Step 3: Cross multiply
    20,794.14x = 31,190.40 × 6,753.60
  4. Step 4: Simplify right side
    20,794.14x = 210,647,485.44
  5. Step 5: Solve for x
    x = 210,647,485.44/20,794.14
  6. Step 6: Final answer
    x = 10,130.14

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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.