Home / 13,243.14-19,864.68-3,382.42

Finding the Fourth Proportional to 13,243.14, 19,864.68 and 3,382.42

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Solution

The fourth proportional to 13,243.14, 19,864.68 and 3,382.42 is: 5,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.14 : 19,864.68 = 3,382.42 : x
  2. Step 2: Convert to fraction form
    13,243.14/19,864.68 = 3,382.42/x
  3. Step 3: Cross multiply
    13,243.14x = 19,864.68 × 3,382.42
  4. Step 4: Simplify right side
    13,243.14x = 67,190,690.93
  5. Step 5: Solve for x
    x = 67,190,690.93/13,243.14
  6. Step 6: Final answer
    x = 5,073.62

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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.