Home / 20,353.25-28,082.63-11,850.14

Finding the Fourth Proportional to 20,353.25, 28,082.63 and 11,850.14

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Solution

The fourth proportional to 20,353.25, 28,082.63 and 11,850.14 is: 16,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.25 : 28,082.63 = 11,850.14 : x
  2. Step 2: Convert to fraction form
    20,353.25/28,082.63 = 11,850.14/x
  3. Step 3: Cross multiply
    20,353.25x = 28,082.63 × 11,850.14
  4. Step 4: Simplify right side
    20,353.25x = 332,783,037.82
  5. Step 5: Solve for x
    x = 332,783,037.82/20,353.25
  6. Step 6: Final answer
    x = 16,350.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.