Home / 18,074.72-27,112.08-4,929.03

Finding the Fourth Proportional to 18,074.72, 27,112.08 and 4,929.03

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Solution

The fourth proportional to 18,074.72, 27,112.08 and 4,929.03 is: 7,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.72 : 27,112.08 = 4,929.03 : x
  2. Step 2: Convert to fraction form
    18,074.72/27,112.08 = 4,929.03/x
  3. Step 3: Cross multiply
    18,074.72x = 27,112.08 × 4,929.03
  4. Step 4: Simplify right side
    18,074.72x = 133,636,255.68
  5. Step 5: Solve for x
    x = 133,636,255.68/18,074.72
  6. Step 6: Final answer
    x = 7,393.54

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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.