Home / 14,120.44-19,486.76-7,747.27

Finding the Fourth Proportional to 14,120.44, 19,486.76 and 7,747.27

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Solution

The fourth proportional to 14,120.44, 19,486.76 and 7,747.27 is: 10,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.44 : 19,486.76 = 7,747.27 : x
  2. Step 2: Convert to fraction form
    14,120.44/19,486.76 = 7,747.27/x
  3. Step 3: Cross multiply
    14,120.44x = 19,486.76 × 7,747.27
  4. Step 4: Simplify right side
    14,120.44x = 150,969,161.80
  5. Step 5: Solve for x
    x = 150,969,161.80/14,120.44
  6. Step 6: Final answer
    x = 10,691.54

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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.