Home / 22,163.33-30,582.65-13,553.84

Finding the Fourth Proportional to 22,163.33, 30,582.65 and 13,553.84

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Solution

The fourth proportional to 22,163.33, 30,582.65 and 13,553.84 is: 18,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.33 : 30,582.65 = 13,553.84 : x
  2. Step 2: Convert to fraction form
    22,163.33/30,582.65 = 13,553.84/x
  3. Step 3: Cross multiply
    22,163.33x = 30,582.65 × 13,553.84
  4. Step 4: Simplify right side
    22,163.33x = 414,512,344.88
  5. Step 5: Solve for x
    x = 414,512,344.88/22,163.33
  6. Step 6: Final answer
    x = 18,702.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.