Home / 22,113.54-33,163.50-7,319.40

Finding the Fourth Proportional to 22,113.54, 33,163.50 and 7,319.40

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Solution

The fourth proportional to 22,113.54, 33,163.50 and 7,319.40 is: 10,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.54 : 33,163.50 = 7,319.40 : x
  2. Step 2: Convert to fraction form
    22,113.54/33,163.50 = 7,319.40/x
  3. Step 3: Cross multiply
    22,113.54x = 33,163.50 × 7,319.40
  4. Step 4: Simplify right side
    22,113.54x = 242,736,921.90
  5. Step 5: Solve for x
    x = 242,736,921.90/22,113.54
  6. Step 6: Final answer
    x = 10,976.85

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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.