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Finding the Fourth Proportional to 14,843.25, 20,483.82 and 10,127.43

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Solution

The fourth proportional to 14,843.25, 20,483.82 and 10,127.43 is: 13,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.25 : 20,483.82 = 10,127.43 : x
  2. Step 2: Convert to fraction form
    14,843.25/20,483.82 = 10,127.43/x
  3. Step 3: Cross multiply
    14,843.25x = 20,483.82 × 10,127.43
  4. Step 4: Simplify right side
    14,843.25x = 207,448,453.18
  5. Step 5: Solve for x
    x = 207,448,453.18/14,843.25
  6. Step 6: Final answer
    x = 13,975.95

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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.