Home / 16,630.08-24,944.85-7,871.28

Finding the Fourth Proportional to 16,630.08, 24,944.85 and 7,871.28

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Solution

The fourth proportional to 16,630.08, 24,944.85 and 7,871.28 is: 11,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630.08 : 24,944.85 = 7,871.28 : x
  2. Step 2: Convert to fraction form
    16,630.08/24,944.85 = 7,871.28/x
  3. Step 3: Cross multiply
    16,630.08x = 24,944.85 × 7,871.28
  4. Step 4: Simplify right side
    16,630.08x = 196,347,898.91
  5. Step 5: Solve for x
    x = 196,347,898.91/16,630.08
  6. Step 6: Final answer
    x = 11,806.79

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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.