Home / 20,245.11-30,366.70-7,096.48

Finding the Fourth Proportional to 20,245.11, 30,366.70 and 7,096.48

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Solution

The fourth proportional to 20,245.11, 30,366.70 and 7,096.48 is: 10,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.11 : 30,366.70 = 7,096.48 : x
  2. Step 2: Convert to fraction form
    20,245.11/30,366.70 = 7,096.48/x
  3. Step 3: Cross multiply
    20,245.11x = 30,366.70 × 7,096.48
  4. Step 4: Simplify right side
    20,245.11x = 215,496,585.56
  5. Step 5: Solve for x
    x = 215,496,585.56/20,245.11
  6. Step 6: Final answer
    x = 10,644.38

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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.