Home / 22,153.25-33,239.67-11,620.76

Finding the Fourth Proportional to 22,153.25, 33,239.67 and 11,620.76

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Solution

The fourth proportional to 22,153.25, 33,239.67 and 11,620.76 is: 17,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.25 : 33,239.67 = 11,620.76 : x
  2. Step 2: Convert to fraction form
    22,153.25/33,239.67 = 11,620.76/x
  3. Step 3: Cross multiply
    22,153.25x = 33,239.67 × 11,620.76
  4. Step 4: Simplify right side
    22,153.25x = 386,270,227.55
  5. Step 5: Solve for x
    x = 386,270,227.55/22,153.25
  6. Step 6: Final answer
    x = 17,436.28

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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.