Home / 22,113.72-33,163.70-7,319.32

Finding the Fourth Proportional to 22,113.72, 33,163.70 and 7,319.32

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Solution

The fourth proportional to 22,113.72, 33,163.70 and 7,319.32 is: 10,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.72 : 33,163.70 = 7,319.32 : x
  2. Step 2: Convert to fraction form
    22,113.72/33,163.70 = 7,319.32/x
  3. Step 3: Cross multiply
    22,113.72x = 33,163.70 × 7,319.32
  4. Step 4: Simplify right side
    22,113.72x = 242,735,732.68
  5. Step 5: Solve for x
    x = 242,735,732.68/22,113.72
  6. Step 6: Final answer
    x = 10,976.70

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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.