Home / 22,180.12-33,260.42-8,319.40

Finding the Fourth Proportional to 22,180.12, 33,260.42 and 8,319.40

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Solution

The fourth proportional to 22,180.12, 33,260.42 and 8,319.40 is: 12,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.12 : 33,260.42 = 8,319.40 : x
  2. Step 2: Convert to fraction form
    22,180.12/33,260.42 = 8,319.40/x
  3. Step 3: Cross multiply
    22,180.12x = 33,260.42 × 8,319.40
  4. Step 4: Simplify right side
    22,180.12x = 276,706,738.15
  5. Step 5: Solve for x
    x = 276,706,738.15/22,180.12
  6. Step 6: Final answer
    x = 12,475.44

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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.