Home / 22,891.78-34,493.66-18,822.94

Finding the Fourth Proportional to 22,891.78, 34,493.66 and 18,822.94

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Solution

The fourth proportional to 22,891.78, 34,493.66 and 18,822.94 is: 28,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.78 : 34,493.66 = 18,822.94 : x
  2. Step 2: Convert to fraction form
    22,891.78/34,493.66 = 18,822.94/x
  3. Step 3: Cross multiply
    22,891.78x = 34,493.66 × 18,822.94
  4. Step 4: Simplify right side
    22,891.78x = 649,271,982.80
  5. Step 5: Solve for x
    x = 649,271,982.80/22,891.78
  6. Step 6: Final answer
    x = 28,362.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.