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Finding the Fourth Proportional to 16,358.55, 22,573.78 and 9,189.44

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Solution

The fourth proportional to 16,358.55, 22,573.78 and 9,189.44 is: 12,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,358.55 : 22,573.78 = 9,189.44 : x
  2. Step 2: Convert to fraction form
    16,358.55/22,573.78 = 9,189.44/x
  3. Step 3: Cross multiply
    16,358.55x = 22,573.78 × 9,189.44
  4. Step 4: Simplify right side
    16,358.55x = 207,440,396.88
  5. Step 5: Solve for x
    x = 207,440,396.88/16,358.55
  6. Step 6: Final answer
    x = 12,680.85

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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.