Home / 22,092.96-30,447.72-20,690.04

Finding the Fourth Proportional to 22,092.96, 30,447.72 and 20,690.04

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Solution

The fourth proportional to 22,092.96, 30,447.72 and 20,690.04 is: 28,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,092.96 : 30,447.72 = 20,690.04 : x
  2. Step 2: Convert to fraction form
    22,092.96/30,447.72 = 20,690.04/x
  3. Step 3: Cross multiply
    22,092.96x = 30,447.72 × 20,690.04
  4. Step 4: Simplify right side
    22,092.96x = 629,964,544.71
  5. Step 5: Solve for x
    x = 629,964,544.71/22,092.96
  6. Step 6: Final answer
    x = 28,514.27

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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.