Home / 16,971.76-25,454.26-5,726

Finding the Fourth Proportional to 16,971.76, 25,454.26 and 5,726

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Solution

The fourth proportional to 16,971.76, 25,454.26 and 5,726 is: 8,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.76 : 25,454.26 = 5,726 : x
  2. Step 2: Convert to fraction form
    16,971.76/25,454.26 = 5,726/x
  3. Step 3: Cross multiply
    16,971.76x = 25,454.26 × 5,726
  4. Step 4: Simplify right side
    16,971.76x = 145,751,092.76
  5. Step 5: Solve for x
    x = 145,751,092.76/16,971.76
  6. Step 6: Final answer
    x = 8,587.86

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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.