Home / 16,221.74-24,335.10-6,861.78

Finding the Fourth Proportional to 16,221.74, 24,335.10 and 6,861.78

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Solution

The fourth proportional to 16,221.74, 24,335.10 and 6,861.78 is: 10,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.74 : 24,335.10 = 6,861.78 : x
  2. Step 2: Convert to fraction form
    16,221.74/24,335.10 = 6,861.78/x
  3. Step 3: Cross multiply
    16,221.74x = 24,335.10 × 6,861.78
  4. Step 4: Simplify right side
    16,221.74x = 166,982,102.48
  5. Step 5: Solve for x
    x = 166,982,102.48/16,221.74
  6. Step 6: Final answer
    x = 10,293.72

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1.5x scale

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.