Home / 13,209.11-19,813.82-3,348.14

Finding the Fourth Proportional to 13,209.11, 19,813.82 and 3,348.14

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Solution

The fourth proportional to 13,209.11, 19,813.82 and 3,348.14 is: 5,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.11 : 19,813.82 = 3,348.14 : x
  2. Step 2: Convert to fraction form
    13,209.11/19,813.82 = 3,348.14/x
  3. Step 3: Cross multiply
    13,209.11x = 19,813.82 × 3,348.14
  4. Step 4: Simplify right side
    13,209.11x = 66,339,327.49
  5. Step 5: Solve for x
    x = 66,339,327.49/13,209.11
  6. Step 6: Final answer
    x = 5,022.24

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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.