Home / 19,082.11-28,622.85-5,231.11

Finding the Fourth Proportional to 19,082.11, 28,622.85 and 5,231.11

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Solution

The fourth proportional to 19,082.11, 28,622.85 and 5,231.11 is: 7,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.11 : 28,622.85 = 5,231.11 : x
  2. Step 2: Convert to fraction form
    19,082.11/28,622.85 = 5,231.11/x
  3. Step 3: Cross multiply
    19,082.11x = 28,622.85 × 5,231.11
  4. Step 4: Simplify right side
    19,082.11x = 149,729,276.86
  5. Step 5: Solve for x
    x = 149,729,276.86/19,082.11
  6. Step 6: Final answer
    x = 7,846.58

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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.