Home / 19,662.28-29,501.21-7,183.11

Finding the Fourth Proportional to 19,662.28, 29,501.21 and 7,183.11

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Solution

The fourth proportional to 19,662.28, 29,501.21 and 7,183.11 is: 10,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.28 : 29,501.21 = 7,183.11 : x
  2. Step 2: Convert to fraction form
    19,662.28/29,501.21 = 7,183.11/x
  3. Step 3: Cross multiply
    19,662.28x = 29,501.21 × 7,183.11
  4. Step 4: Simplify right side
    19,662.28x = 211,910,436.56
  5. Step 5: Solve for x
    x = 211,910,436.56/19,662.28
  6. Step 6: Final answer
    x = 10,777.51

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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.