Home / 22,161.15-33,254.16-11,772.63

Finding the Fourth Proportional to 22,161.15, 33,254.16 and 11,772.63

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Solution

The fourth proportional to 22,161.15, 33,254.16 and 11,772.63 is: 17,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.15 : 33,254.16 = 11,772.63 : x
  2. Step 2: Convert to fraction form
    22,161.15/33,254.16 = 11,772.63/x
  3. Step 3: Cross multiply
    22,161.15x = 33,254.16 × 11,772.63
  4. Step 4: Simplify right side
    22,161.15x = 391,488,921.64
  5. Step 5: Solve for x
    x = 391,488,921.64/22,161.15
  6. Step 6: Final answer
    x = 17,665.55

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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.