Home / 14,107.29-21,161.33-6,205.69

Finding the Fourth Proportional to 14,107.29, 21,161.33 and 6,205.69

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Solution

The fourth proportional to 14,107.29, 21,161.33 and 6,205.69 is: 9,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.29 : 21,161.33 = 6,205.69 : x
  2. Step 2: Convert to fraction form
    14,107.29/21,161.33 = 6,205.69/x
  3. Step 3: Cross multiply
    14,107.29x = 21,161.33 × 6,205.69
  4. Step 4: Simplify right side
    14,107.29x = 131,320,653.97
  5. Step 5: Solve for x
    x = 131,320,653.97/14,107.29
  6. Step 6: Final answer
    x = 9,308.71

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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.