Home / 22,186.92-33,087.93-18,921

Finding the Fourth Proportional to 22,186.92, 33,087.93 and 18,921

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Solution

The fourth proportional to 22,186.92, 33,087.93 and 18,921 is: 28,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.92 : 33,087.93 = 18,921 : x
  2. Step 2: Convert to fraction form
    22,186.92/33,087.93 = 18,921/x
  3. Step 3: Cross multiply
    22,186.92x = 33,087.93 × 18,921
  4. Step 4: Simplify right side
    22,186.92x = 626,056,723.53
  5. Step 5: Solve for x
    x = 626,056,723.53/22,186.92
  6. Step 6: Final answer
    x = 28,217.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.