Home / 13,198.62-18,215.19-10,834.14

Finding the Fourth Proportional to 13,198.62, 18,215.19 and 10,834.14

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Solution

The fourth proportional to 13,198.62, 18,215.19 and 10,834.14 is: 14,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.62 : 18,215.19 = 10,834.14 : x
  2. Step 2: Convert to fraction form
    13,198.62/18,215.19 = 10,834.14/x
  3. Step 3: Cross multiply
    13,198.62x = 18,215.19 × 10,834.14
  4. Step 4: Simplify right side
    13,198.62x = 197,345,918.59
  5. Step 5: Solve for x
    x = 197,345,918.59/13,198.62
  6. Step 6: Final answer
    x = 14,952.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.