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Finding the Fourth Proportional to 13,841.18, 19,103.69 and 8,804.44

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Solution

The fourth proportional to 13,841.18, 19,103.69 and 8,804.44 is: 12,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.18 : 19,103.69 = 8,804.44 : x
  2. Step 2: Convert to fraction form
    13,841.18/19,103.69 = 8,804.44/x
  3. Step 3: Cross multiply
    13,841.18x = 19,103.69 × 8,804.44
  4. Step 4: Simplify right side
    13,841.18x = 168,197,292.38
  5. Step 5: Solve for x
    x = 168,197,292.38/13,841.18
  6. Step 6: Final answer
    x = 12,151.95

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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.