Home / 22,906.88-34,291.12-20,716.64

Finding the Fourth Proportional to 22,906.88, 34,291.12 and 20,716.64

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Solution

The fourth proportional to 22,906.88, 34,291.12 and 20,716.64 is: 31,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.88 : 34,291.12 = 20,716.64 : x
  2. Step 2: Convert to fraction form
    22,906.88/34,291.12 = 20,716.64/x
  3. Step 3: Cross multiply
    22,906.88x = 34,291.12 × 20,716.64
  4. Step 4: Simplify right side
    22,906.88x = 710,396,788.24
  5. Step 5: Solve for x
    x = 710,396,788.24/22,906.88
  6. Step 6: Final answer
    x = 31,012.38

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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.