Home / 20,067.10-30,089.89-19,204.43

Finding the Fourth Proportional to 20,067.10, 30,089.89 and 19,204.43

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Solution

The fourth proportional to 20,067.10, 30,089.89 and 19,204.43 is: 28,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.10 : 30,089.89 = 19,204.43 : x
  2. Step 2: Convert to fraction form
    20,067.10/30,089.89 = 19,204.43/x
  3. Step 3: Cross multiply
    20,067.10x = 30,089.89 × 19,204.43
  4. Step 4: Simplify right side
    20,067.10x = 577,859,186.21
  5. Step 5: Solve for x
    x = 577,859,186.21/20,067.10
  6. Step 6: Final answer
    x = 28,796.35

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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.