Home / 17,581.70-26,385.26-6,909.65

Finding the Fourth Proportional to 17,581.70, 26,385.26 and 6,909.65

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Solution

The fourth proportional to 17,581.70, 26,385.26 and 6,909.65 is: 10,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581.70 : 26,385.26 = 6,909.65 : x
  2. Step 2: Convert to fraction form
    17,581.70/26,385.26 = 6,909.65/x
  3. Step 3: Cross multiply
    17,581.70x = 26,385.26 × 6,909.65
  4. Step 4: Simplify right side
    17,581.70x = 182,312,745.28
  5. Step 5: Solve for x
    x = 182,312,745.28/17,581.70
  6. Step 6: Final answer
    x = 10,369.46

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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.