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Finding the Fourth Proportional to 14,843.25, 20,480.41 and 9,101.94

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Solution

The fourth proportional to 14,843.25, 20,480.41 and 9,101.94 is: 12,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.25 : 20,480.41 = 9,101.94 : x
  2. Step 2: Convert to fraction form
    14,843.25/20,480.41 = 9,101.94/x
  3. Step 3: Cross multiply
    14,843.25x = 20,480.41 × 9,101.94
  4. Step 4: Simplify right side
    14,843.25x = 186,411,397.57
  5. Step 5: Solve for x
    x = 186,411,397.57/14,843.25
  6. Step 6: Final answer
    x = 12,558.66

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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.