Home / 20,796.44-31,199.55-6,756.42

Finding the Fourth Proportional to 20,796.44, 31,199.55 and 6,756.42

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Solution

The fourth proportional to 20,796.44, 31,199.55 and 6,756.42 is: 10,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.44 : 31,199.55 = 6,756.42 : x
  2. Step 2: Convert to fraction form
    20,796.44/31,199.55 = 6,756.42/x
  3. Step 3: Cross multiply
    20,796.44x = 31,199.55 × 6,756.42
  4. Step 4: Simplify right side
    20,796.44x = 210,797,263.61
  5. Step 5: Solve for x
    x = 210,797,263.61/20,796.44
  6. Step 6: Final answer
    x = 10,136.22

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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.