Home / 22,069.22-30,455.82-11,997.66

Finding the Fourth Proportional to 22,069.22, 30,455.82 and 11,997.66

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Solution

The fourth proportional to 22,069.22, 30,455.82 and 11,997.66 is: 16,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.22 : 30,455.82 = 11,997.66 : x
  2. Step 2: Convert to fraction form
    22,069.22/30,455.82 = 11,997.66/x
  3. Step 3: Cross multiply
    22,069.22x = 30,455.82 × 11,997.66
  4. Step 4: Simplify right side
    22,069.22x = 365,398,459.17
  5. Step 5: Solve for x
    x = 365,398,459.17/22,069.22
  6. Step 6: Final answer
    x = 16,556.93

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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.