Home / 22,161.39-33,254.50-11,772.87

Finding the Fourth Proportional to 22,161.39, 33,254.50 and 11,772.87

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Solution

The fourth proportional to 22,161.39, 33,254.50 and 11,772.87 is: 17,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.39 : 33,254.50 = 11,772.87 : x
  2. Step 2: Convert to fraction form
    22,161.39/33,254.50 = 11,772.87/x
  3. Step 3: Cross multiply
    22,161.39x = 33,254.50 × 11,772.87
  4. Step 4: Simplify right side
    22,161.39x = 391,500,905.42
  5. Step 5: Solve for x
    x = 391,500,905.42/22,161.39
  6. Step 6: Final answer
    x = 17,665.90

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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.