Home / 20,872.99-31,309.56-6,082.27

Finding the Fourth Proportional to 20,872.99, 31,309.56 and 6,082.27

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Solution

The fourth proportional to 20,872.99, 31,309.56 and 6,082.27 is: 9,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,872.99 : 31,309.56 = 6,082.27 : x
  2. Step 2: Convert to fraction form
    20,872.99/31,309.56 = 6,082.27/x
  3. Step 3: Cross multiply
    20,872.99x = 31,309.56 × 6,082.27
  4. Step 4: Simplify right side
    20,872.99x = 190,433,197.50
  5. Step 5: Solve for x
    x = 190,433,197.50/20,872.99
  6. Step 6: Final answer
    x = 9,123.43

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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.