Home / 16,217.30-22,369.20-11,181.74

Finding the Fourth Proportional to 16,217.30, 22,369.20 and 11,181.74

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Solution

The fourth proportional to 16,217.30, 22,369.20 and 11,181.74 is: 15,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.30 : 22,369.20 = 11,181.74 : x
  2. Step 2: Convert to fraction form
    16,217.30/22,369.20 = 11,181.74/x
  3. Step 3: Cross multiply
    16,217.30x = 22,369.20 × 11,181.74
  4. Step 4: Simplify right side
    16,217.30x = 250,126,466.56
  5. Step 5: Solve for x
    x = 250,126,466.56/16,217.30
  6. Step 6: Final answer
    x = 15,423.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.