Home / 18,076.83-27,114.44-4,929.20

Finding the Fourth Proportional to 18,076.83, 27,114.44 and 4,929.20

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Solution

The fourth proportional to 18,076.83, 27,114.44 and 4,929.20 is: 7,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.83 : 27,114.44 = 4,929.20 : x
  2. Step 2: Convert to fraction form
    18,076.83/27,114.44 = 4,929.20/x
  3. Step 3: Cross multiply
    18,076.83x = 27,114.44 × 4,929.20
  4. Step 4: Simplify right side
    18,076.83x = 133,652,439.11
  5. Step 5: Solve for x
    x = 133,652,439.11/18,076.83
  6. Step 6: Final answer
    x = 7,393.58

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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.