Home / 19,768.97-29,653.47-8,082.19

Finding the Fourth Proportional to 19,768.97, 29,653.47 and 8,082.19

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Solution

The fourth proportional to 19,768.97, 29,653.47 and 8,082.19 is: 12,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.97 : 29,653.47 = 8,082.19 : x
  2. Step 2: Convert to fraction form
    19,768.97/29,653.47 = 8,082.19/x
  3. Step 3: Cross multiply
    19,768.97x = 29,653.47 × 8,082.19
  4. Step 4: Simplify right side
    19,768.97x = 239,664,934.87
  5. Step 5: Solve for x
    x = 239,664,934.87/19,768.97
  6. Step 6: Final answer
    x = 12,123.29

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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.