Home / 20,551.44-30,832.38-5,760.42

Finding the Fourth Proportional to 20,551.44, 30,832.38 and 5,760.42

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Solution

The fourth proportional to 20,551.44, 30,832.38 and 5,760.42 is: 8,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.44 : 30,832.38 = 5,760.42 : x
  2. Step 2: Convert to fraction form
    20,551.44/30,832.38 = 5,760.42/x
  3. Step 3: Cross multiply
    20,551.44x = 30,832.38 × 5,760.42
  4. Step 4: Simplify right side
    20,551.44x = 177,607,458.40
  5. Step 5: Solve for x
    x = 177,607,458.40/20,551.44
  6. Step 6: Final answer
    x = 8,642.09

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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.