Home / 17,427.82-26,141.68-4,947.86

Finding the Fourth Proportional to 17,427.82, 26,141.68 and 4,947.86

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Solution

The fourth proportional to 17,427.82, 26,141.68 and 4,947.86 is: 7,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.82 : 26,141.68 = 4,947.86 : x
  2. Step 2: Convert to fraction form
    17,427.82/26,141.68 = 4,947.86/x
  3. Step 3: Cross multiply
    17,427.82x = 26,141.68 × 4,947.86
  4. Step 4: Simplify right side
    17,427.82x = 129,345,229.73
  5. Step 5: Solve for x
    x = 129,345,229.73/17,427.82
  6. Step 6: Final answer
    x = 7,421.77

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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.