Home / 20,080.31-27,714.08-19,194.44

Finding the Fourth Proportional to 20,080.31, 27,714.08 and 19,194.44

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Solution

The fourth proportional to 20,080.31, 27,714.08 and 19,194.44 is: 26,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.31 : 27,714.08 = 19,194.44 : x
  2. Step 2: Convert to fraction form
    20,080.31/27,714.08 = 19,194.44/x
  3. Step 3: Cross multiply
    20,080.31x = 27,714.08 × 19,194.44
  4. Step 4: Simplify right side
    20,080.31x = 531,956,155.13
  5. Step 5: Solve for x
    x = 531,956,155.13/20,080.31
  6. Step 6: Final answer
    x = 26,491.44

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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.