Home / 17,885.44-26,789.28-8,632

Finding the Fourth Proportional to 17,885.44, 26,789.28 and 8,632

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Solution

The fourth proportional to 17,885.44, 26,789.28 and 8,632 is: 12,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.44 : 26,789.28 = 8,632 : x
  2. Step 2: Convert to fraction form
    17,885.44/26,789.28 = 8,632/x
  3. Step 3: Cross multiply
    17,885.44x = 26,789.28 × 8,632
  4. Step 4: Simplify right side
    17,885.44x = 231,245,064.96
  5. Step 5: Solve for x
    x = 231,245,064.96/17,885.44
  6. Step 6: Final answer
    x = 12,929.24

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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.