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Finding the Fourth Proportional to 16,197.40, 22,353 and 9,124.48

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Solution

The fourth proportional to 16,197.40, 22,353 and 9,124.48 is: 12,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,197.40 : 22,353 = 9,124.48 : x
  2. Step 2: Convert to fraction form
    16,197.40/22,353 = 9,124.48/x
  3. Step 3: Cross multiply
    16,197.40x = 22,353 × 9,124.48
  4. Step 4: Simplify right side
    16,197.40x = 203,959,501.44
  5. Step 5: Solve for x
    x = 203,959,501.44/16,197.40
  6. Step 6: Final answer
    x = 12,592.11

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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.