Home / 20,080.68-27,714.60-19,194.81

Finding the Fourth Proportional to 20,080.68, 27,714.60 and 19,194.81

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Solution

The fourth proportional to 20,080.68, 27,714.60 and 19,194.81 is: 26,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.68 : 27,714.60 = 19,194.81 : x
  2. Step 2: Convert to fraction form
    20,080.68/27,714.60 = 19,194.81/x
  3. Step 3: Cross multiply
    20,080.68x = 27,714.60 × 19,194.81
  4. Step 4: Simplify right side
    20,080.68x = 531,976,481.23
  5. Step 5: Solve for x
    x = 531,976,481.23/20,080.68
  6. Step 6: Final answer
    x = 26,491.96

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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.