Home / 22,028.22-30,398.12-11,956.44

Finding the Fourth Proportional to 22,028.22, 30,398.12 and 11,956.44

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Solution

The fourth proportional to 22,028.22, 30,398.12 and 11,956.44 is: 16,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.22 : 30,398.12 = 11,956.44 : x
  2. Step 2: Convert to fraction form
    22,028.22/30,398.12 = 11,956.44/x
  3. Step 3: Cross multiply
    22,028.22x = 30,398.12 × 11,956.44
  4. Step 4: Simplify right side
    22,028.22x = 363,453,328.26
  5. Step 5: Solve for x
    x = 363,453,328.26/22,028.22
  6. Step 6: Final answer
    x = 16,499.44

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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.