Home / 22,530.20-33,795.30-15,531.80

Finding the Fourth Proportional to 22,530.20, 33,795.30 and 15,531.80

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Solution

The fourth proportional to 22,530.20, 33,795.30 and 15,531.80 is: 23,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,530.20 : 33,795.30 = 15,531.80 : x
  2. Step 2: Convert to fraction form
    22,530.20/33,795.30 = 15,531.80/x
  3. Step 3: Cross multiply
    22,530.20x = 33,795.30 × 15,531.80
  4. Step 4: Simplify right side
    22,530.20x = 524,901,840.54
  5. Step 5: Solve for x
    x = 524,901,840.54/22,530.20
  6. Step 6: Final answer
    x = 23,297.70

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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.