Home / 19,388.88-29,082.16-6,908.24

Finding the Fourth Proportional to 19,388.88, 29,082.16 and 6,908.24

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Solution

The fourth proportional to 19,388.88, 29,082.16 and 6,908.24 is: 10,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.88 : 29,082.16 = 6,908.24 : x
  2. Step 2: Convert to fraction form
    19,388.88/29,082.16 = 6,908.24/x
  3. Step 3: Cross multiply
    19,388.88x = 29,082.16 × 6,908.24
  4. Step 4: Simplify right side
    19,388.88x = 200,906,622.34
  5. Step 5: Solve for x
    x = 200,906,622.34/19,388.88
  6. Step 6: Final answer
    x = 10,361.95

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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.