Home / 22,351.11-30,832.97-15,181.40

Finding the Fourth Proportional to 22,351.11, 30,832.97 and 15,181.40

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Solution

The fourth proportional to 22,351.11, 30,832.97 and 15,181.40 is: 20,942.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.11 : 30,832.97 = 15,181.40 : x
  2. Step 2: Convert to fraction form
    22,351.11/30,832.97 = 15,181.40/x
  3. Step 3: Cross multiply
    22,351.11x = 30,832.97 × 15,181.40
  4. Step 4: Simplify right side
    22,351.11x = 468,087,420.69
  5. Step 5: Solve for x
    x = 468,087,420.69/22,351.11
  6. Step 6: Final answer
    x = 20,942.47

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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.