Home / 18,558.35-27,837.56-4,518.38

Finding the Fourth Proportional to 18,558.35, 27,837.56 and 4,518.38

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Solution

The fourth proportional to 18,558.35, 27,837.56 and 4,518.38 is: 6,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.35 : 27,837.56 = 4,518.38 : x
  2. Step 2: Convert to fraction form
    18,558.35/27,837.56 = 4,518.38/x
  3. Step 3: Cross multiply
    18,558.35x = 27,837.56 × 4,518.38
  4. Step 4: Simplify right side
    18,558.35x = 125,780,512.57
  5. Step 5: Solve for x
    x = 125,780,512.57/18,558.35
  6. Step 6: Final answer
    x = 6,777.57

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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.