Home / 22,113.14-33,156.86-7,318.08

Finding the Fourth Proportional to 22,113.14, 33,156.86 and 7,318.08

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Solution

The fourth proportional to 22,113.14, 33,156.86 and 7,318.08 is: 10,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.14 : 33,156.86 = 7,318.08 : x
  2. Step 2: Convert to fraction form
    22,113.14/33,156.86 = 7,318.08/x
  3. Step 3: Cross multiply
    22,113.14x = 33,156.86 × 7,318.08
  4. Step 4: Simplify right side
    22,113.14x = 242,644,517.44
  5. Step 5: Solve for x
    x = 242,644,517.44/22,113.14
  6. Step 6: Final answer
    x = 10,972.87

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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.