Home / 20,096.71-30,139.30-6,768.25

Finding the Fourth Proportional to 20,096.71, 30,139.30 and 6,768.25

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Solution

The fourth proportional to 20,096.71, 30,139.30 and 6,768.25 is: 10,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.71 : 30,139.30 = 6,768.25 : x
  2. Step 2: Convert to fraction form
    20,096.71/30,139.30 = 6,768.25/x
  3. Step 3: Cross multiply
    20,096.71x = 30,139.30 × 6,768.25
  4. Step 4: Simplify right side
    20,096.71x = 203,990,317.23
  5. Step 5: Solve for x
    x = 203,990,317.23/20,096.71
  6. Step 6: Final answer
    x = 10,150.43

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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.