Home / 16,129.71-24,198.93-6,764.79

Finding the Fourth Proportional to 16,129.71, 24,198.93 and 6,764.79

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Solution

The fourth proportional to 16,129.71, 24,198.93 and 6,764.79 is: 10,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.71 : 24,198.93 = 6,764.79 : x
  2. Step 2: Convert to fraction form
    16,129.71/24,198.93 = 6,764.79/x
  3. Step 3: Cross multiply
    16,129.71x = 24,198.93 × 6,764.79
  4. Step 4: Simplify right side
    16,129.71x = 163,700,679.67
  5. Step 5: Solve for x
    x = 163,700,679.67/16,129.71
  6. Step 6: Final answer
    x = 10,149.02

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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.