Home / 17,832.64-26,789.97-12,579.74

Finding the Fourth Proportional to 17,832.64, 26,789.97 and 12,579.74

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Solution

The fourth proportional to 17,832.64, 26,789.97 and 12,579.74 is: 18,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,832.64 : 26,789.97 = 12,579.74 : x
  2. Step 2: Convert to fraction form
    17,832.64/26,789.97 = 12,579.74/x
  3. Step 3: Cross multiply
    17,832.64x = 26,789.97 × 12,579.74
  4. Step 4: Simplify right side
    17,832.64x = 337,010,857.21
  5. Step 5: Solve for x
    x = 337,010,857.21/17,832.64
  6. Step 6: Final answer
    x = 18,898.54

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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.