Home / 22,204.82-30,608.13-15,119.06

Finding the Fourth Proportional to 22,204.82, 30,608.13 and 15,119.06

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Solution

The fourth proportional to 22,204.82, 30,608.13 and 15,119.06 is: 20,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.82 : 30,608.13 = 15,119.06 : x
  2. Step 2: Convert to fraction form
    22,204.82/30,608.13 = 15,119.06/x
  3. Step 3: Cross multiply
    22,204.82x = 30,608.13 × 15,119.06
  4. Step 4: Simplify right side
    22,204.82x = 462,766,153.96
  5. Step 5: Solve for x
    x = 462,766,153.96/22,204.82
  6. Step 6: Final answer
    x = 20,840.80

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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.