Home / 22,161.84-33,190.92-16,620.72

Finding the Fourth Proportional to 22,161.84, 33,190.92 and 16,620.72

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Solution

The fourth proportional to 22,161.84, 33,190.92 and 16,620.72 is: 24,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.84 : 33,190.92 = 16,620.72 : x
  2. Step 2: Convert to fraction form
    22,161.84/33,190.92 = 16,620.72/x
  3. Step 3: Cross multiply
    22,161.84x = 33,190.92 × 16,620.72
  4. Step 4: Simplify right side
    22,161.84x = 551,656,987.86
  5. Step 5: Solve for x
    x = 551,656,987.86/22,161.84
  6. Step 6: Final answer
    x = 24,892.20

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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.