Home / 19,972.62-29,964.92-5,933.12

Finding the Fourth Proportional to 19,972.62, 29,964.92 and 5,933.12

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Solution

The fourth proportional to 19,972.62, 29,964.92 and 5,933.12 is: 8,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.62 : 29,964.92 = 5,933.12 : x
  2. Step 2: Convert to fraction form
    19,972.62/29,964.92 = 5,933.12/x
  3. Step 3: Cross multiply
    19,972.62x = 29,964.92 × 5,933.12
  4. Step 4: Simplify right side
    19,972.62x = 177,785,286.66
  5. Step 5: Solve for x
    x = 177,785,286.66/19,972.62
  6. Step 6: Final answer
    x = 8,901.45

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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.