Home / 13,974.83-20,959.97-4,111.80

Finding the Fourth Proportional to 13,974.83, 20,959.97 and 4,111.80

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Solution

The fourth proportional to 13,974.83, 20,959.97 and 4,111.80 is: 6,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.83 : 20,959.97 = 4,111.80 : x
  2. Step 2: Convert to fraction form
    13,974.83/20,959.97 = 4,111.80/x
  3. Step 3: Cross multiply
    13,974.83x = 20,959.97 × 4,111.80
  4. Step 4: Simplify right side
    13,974.83x = 86,183,204.65
  5. Step 5: Solve for x
    x = 86,183,204.65/13,974.83
  6. Step 6: Final answer
    x = 6,167.03

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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.