Home / 22,110.80-33,161.28-13,333.64

Finding the Fourth Proportional to 22,110.80, 33,161.28 and 13,333.64

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Solution

The fourth proportional to 22,110.80, 33,161.28 and 13,333.64 is: 19,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.80 : 33,161.28 = 13,333.64 : x
  2. Step 2: Convert to fraction form
    22,110.80/33,161.28 = 13,333.64/x
  3. Step 3: Cross multiply
    22,110.80x = 33,161.28 × 13,333.64
  4. Step 4: Simplify right side
    22,110.80x = 442,160,569.46
  5. Step 5: Solve for x
    x = 442,160,569.46/22,110.80
  6. Step 6: Final answer
    x = 19,997.49

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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.