Home / 15,228.78-22,843.18-4,135.48

Finding the Fourth Proportional to 15,228.78, 22,843.18 and 4,135.48

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Solution

The fourth proportional to 15,228.78, 22,843.18 and 4,135.48 is: 6,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.78 : 22,843.18 = 4,135.48 : x
  2. Step 2: Convert to fraction form
    15,228.78/22,843.18 = 4,135.48/x
  3. Step 3: Cross multiply
    15,228.78x = 22,843.18 × 4,135.48
  4. Step 4: Simplify right side
    15,228.78x = 94,467,514.03
  5. Step 5: Solve for x
    x = 94,467,514.03/15,228.78
  6. Step 6: Final answer
    x = 6,203.22

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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.