Home / 22,161.84-30,609.72-16,183.92

Finding the Fourth Proportional to 22,161.84, 30,609.72 and 16,183.92

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Solution

The fourth proportional to 22,161.84, 30,609.72 and 16,183.92 is: 22,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.84 : 30,609.72 = 16,183.92 : x
  2. Step 2: Convert to fraction form
    22,161.84/30,609.72 = 16,183.92/x
  3. Step 3: Cross multiply
    22,161.84x = 30,609.72 × 16,183.92
  4. Step 4: Simplify right side
    22,161.84x = 495,385,259.70
  5. Step 5: Solve for x
    x = 495,385,259.70/22,161.84
  6. Step 6: Final answer
    x = 22,353.07

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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.