Home / 19,786.62-29,691.88-10,433.56

Finding the Fourth Proportional to 19,786.62, 29,691.88 and 10,433.56

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Solution

The fourth proportional to 19,786.62, 29,691.88 and 10,433.56 is: 15,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.62 : 29,691.88 = 10,433.56 : x
  2. Step 2: Convert to fraction form
    19,786.62/29,691.88 = 10,433.56/x
  3. Step 3: Cross multiply
    19,786.62x = 29,691.88 × 10,433.56
  4. Step 4: Simplify right side
    19,786.62x = 309,792,011.49
  5. Step 5: Solve for x
    x = 309,792,011.49/19,786.62
  6. Step 6: Final answer
    x = 15,656.64

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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.