Home / 15,082.20-22,622.49-3,989.25

Finding the Fourth Proportional to 15,082.20, 22,622.49 and 3,989.25

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Solution

The fourth proportional to 15,082.20, 22,622.49 and 3,989.25 is: 5,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.20 : 22,622.49 = 3,989.25 : x
  2. Step 2: Convert to fraction form
    15,082.20/22,622.49 = 3,989.25/x
  3. Step 3: Cross multiply
    15,082.20x = 22,622.49 × 3,989.25
  4. Step 4: Simplify right side
    15,082.20x = 90,246,768.23
  5. Step 5: Solve for x
    x = 90,246,768.23/15,082.20
  6. Step 6: Final answer
    x = 5,983.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.