Home / 14,636.26-20,198.09-7,921.97

Finding the Fourth Proportional to 14,636.26, 20,198.09 and 7,921.97

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Solution

The fourth proportional to 14,636.26, 20,198.09 and 7,921.97 is: 10,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.26 : 20,198.09 = 7,921.97 : x
  2. Step 2: Convert to fraction form
    14,636.26/20,198.09 = 7,921.97/x
  3. Step 3: Cross multiply
    14,636.26x = 20,198.09 × 7,921.97
  4. Step 4: Simplify right side
    14,636.26x = 160,008,657.59
  5. Step 5: Solve for x
    x = 160,008,657.59/14,636.26
  6. Step 6: Final answer
    x = 10,932.35

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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.