Home / 17,898.19-26,847.56-5,418.79

Finding the Fourth Proportional to 17,898.19, 26,847.56 and 5,418.79

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Solution

The fourth proportional to 17,898.19, 26,847.56 and 5,418.79 is: 8,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.19 : 26,847.56 = 5,418.79 : x
  2. Step 2: Convert to fraction form
    17,898.19/26,847.56 = 5,418.79/x
  3. Step 3: Cross multiply
    17,898.19x = 26,847.56 × 5,418.79
  4. Step 4: Simplify right side
    17,898.19x = 145,481,262.56
  5. Step 5: Solve for x
    x = 145,481,262.56/17,898.19
  6. Step 6: Final answer
    x = 8,128.27

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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.