Home / 16,690.96-25,034.52-4,379.92

Finding the Fourth Proportional to 16,690.96, 25,034.52 and 4,379.92

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Solution

The fourth proportional to 16,690.96, 25,034.52 and 4,379.92 is: 6,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.96 : 25,034.52 = 4,379.92 : x
  2. Step 2: Convert to fraction form
    16,690.96/25,034.52 = 4,379.92/x
  3. Step 3: Cross multiply
    16,690.96x = 25,034.52 × 4,379.92
  4. Step 4: Simplify right side
    16,690.96x = 109,649,194.84
  5. Step 5: Solve for x
    x = 109,649,194.84/16,690.96
  6. Step 6: Final answer
    x = 6,569.38

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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.