Home / 22,178.34-33,247.70-8,135.07

Finding the Fourth Proportional to 22,178.34, 33,247.70 and 8,135.07

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Solution

The fourth proportional to 22,178.34, 33,247.70 and 8,135.07 is: 12,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.34 : 33,247.70 = 8,135.07 : x
  2. Step 2: Convert to fraction form
    22,178.34/33,247.70 = 8,135.07/x
  3. Step 3: Cross multiply
    22,178.34x = 33,247.70 × 8,135.07
  4. Step 4: Simplify right side
    22,178.34x = 270,472,355.10
  5. Step 5: Solve for x
    x = 270,472,355.10/22,178.34
  6. Step 6: Final answer
    x = 12,195.34

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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.