Home / 18,962.44-28,388.52-11,040.82

Finding the Fourth Proportional to 18,962.44, 28,388.52 and 11,040.82

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Solution

The fourth proportional to 18,962.44, 28,388.52 and 11,040.82 is: 16,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.44 : 28,388.52 = 11,040.82 : x
  2. Step 2: Convert to fraction form
    18,962.44/28,388.52 = 11,040.82/x
  3. Step 3: Cross multiply
    18,962.44x = 28,388.52 × 11,040.82
  4. Step 4: Simplify right side
    18,962.44x = 313,432,539.39
  5. Step 5: Solve for x
    x = 313,432,539.39/18,962.44
  6. Step 6: Final answer
    x = 16,529.12

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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.