Home / 16,861.26-25,291.95-5,174.48

Finding the Fourth Proportional to 16,861.26, 25,291.95 and 5,174.48

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Solution

The fourth proportional to 16,861.26, 25,291.95 and 5,174.48 is: 7,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.26 : 25,291.95 = 5,174.48 : x
  2. Step 2: Convert to fraction form
    16,861.26/25,291.95 = 5,174.48/x
  3. Step 3: Cross multiply
    16,861.26x = 25,291.95 × 5,174.48
  4. Step 4: Simplify right side
    16,861.26x = 130,872,733.26
  5. Step 5: Solve for x
    x = 130,872,733.26/16,861.26
  6. Step 6: Final answer
    x = 7,761.74

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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.