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Finding the Fourth Proportional to 13,843.83, 20,744.48 and 9,395.72

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Solution

The fourth proportional to 13,843.83, 20,744.48 and 9,395.72 is: 14,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.83 : 20,744.48 = 9,395.72 : x
  2. Step 2: Convert to fraction form
    13,843.83/20,744.48 = 9,395.72/x
  3. Step 3: Cross multiply
    13,843.83x = 20,744.48 × 9,395.72
  4. Step 4: Simplify right side
    13,843.83x = 194,909,325.63
  5. Step 5: Solve for x
    x = 194,909,325.63/13,843.83
  6. Step 6: Final answer
    x = 14,079.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.