Home / 16,110.21-22,231.51-8,940.44

Finding the Fourth Proportional to 16,110.21, 22,231.51 and 8,940.44

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Solution

The fourth proportional to 16,110.21, 22,231.51 and 8,940.44 is: 12,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.21 : 22,231.51 = 8,940.44 : x
  2. Step 2: Convert to fraction form
    16,110.21/22,231.51 = 8,940.44/x
  3. Step 3: Cross multiply
    16,110.21x = 22,231.51 × 8,940.44
  4. Step 4: Simplify right side
    16,110.21x = 198,759,431.12
  5. Step 5: Solve for x
    x = 198,759,431.12/16,110.21
  6. Step 6: Final answer
    x = 12,337.49

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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.