Home / 16,775.25-23,149.84-9,222.06

Finding the Fourth Proportional to 16,775.25, 23,149.84 and 9,222.06

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Solution

The fourth proportional to 16,775.25, 23,149.84 and 9,222.06 is: 12,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.25 : 23,149.84 = 9,222.06 : x
  2. Step 2: Convert to fraction form
    16,775.25/23,149.84 = 9,222.06/x
  3. Step 3: Cross multiply
    16,775.25x = 23,149.84 × 9,222.06
  4. Step 4: Simplify right side
    16,775.25x = 213,489,213.47
  5. Step 5: Solve for x
    x = 213,489,213.47/16,775.25
  6. Step 6: Final answer
    x = 12,726.44

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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.