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Finding the Fourth Proportional to 16,841.44, 23,239.92 and 9,388

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Solution

The fourth proportional to 16,841.44, 23,239.92 and 9,388 is: 12,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,841.44 : 23,239.92 = 9,388 : x
  2. Step 2: Convert to fraction form
    16,841.44/23,239.92 = 9,388/x
  3. Step 3: Cross multiply
    16,841.44x = 23,239.92 × 9,388
  4. Step 4: Simplify right side
    16,841.44x = 218,176,368.96
  5. Step 5: Solve for x
    x = 218,176,368.96/16,841.44
  6. Step 6: Final answer
    x = 12,954.73

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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.