Home / 22,204.98-30,611.25-15,122.34

Finding the Fourth Proportional to 22,204.98, 30,611.25 and 15,122.34

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Solution

The fourth proportional to 22,204.98, 30,611.25 and 15,122.34 is: 20,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.98 : 30,611.25 = 15,122.34 : x
  2. Step 2: Convert to fraction form
    22,204.98/30,611.25 = 15,122.34/x
  3. Step 3: Cross multiply
    22,204.98x = 30,611.25 × 15,122.34
  4. Step 4: Simplify right side
    22,204.98x = 462,913,730.33
  5. Step 5: Solve for x
    x = 462,913,730.33/22,204.98
  6. Step 6: Final answer
    x = 20,847.29

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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.