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Finding the Fourth Proportional to 13,841.25, 19,100.93 and 8,252.25

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Solution

The fourth proportional to 13,841.25, 19,100.93 and 8,252.25 is: 11,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.25 : 19,100.93 = 8,252.25 : x
  2. Step 2: Convert to fraction form
    13,841.25/19,100.93 = 8,252.25/x
  3. Step 3: Cross multiply
    13,841.25x = 19,100.93 × 8,252.25
  4. Step 4: Simplify right side
    13,841.25x = 157,625,608.33
  5. Step 5: Solve for x
    x = 157,625,608.33/13,841.25
  6. Step 6: Final answer
    x = 11,388.11

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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.