Home / 22,021.06-30,388.91-11,949.24

Finding the Fourth Proportional to 22,021.06, 30,388.91 and 11,949.24

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Solution

The fourth proportional to 22,021.06, 30,388.91 and 11,949.24 is: 16,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.06 : 30,388.91 = 11,949.24 : x
  2. Step 2: Convert to fraction form
    22,021.06/30,388.91 = 11,949.24/x
  3. Step 3: Cross multiply
    22,021.06x = 30,388.91 × 11,949.24
  4. Step 4: Simplify right side
    22,021.06x = 363,124,466.75
  5. Step 5: Solve for x
    x = 363,124,466.75/22,021.06
  6. Step 6: Final answer
    x = 16,489.87

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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.