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Finding the Fourth Proportional to 13,957.39, 20,941.08 and 5,956.21

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Solution

The fourth proportional to 13,957.39, 20,941.08 and 5,956.21 is: 8,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.39 : 20,941.08 = 5,956.21 : x
  2. Step 2: Convert to fraction form
    13,957.39/20,941.08 = 5,956.21/x
  3. Step 3: Cross multiply
    13,957.39x = 20,941.08 × 5,956.21
  4. Step 4: Simplify right side
    13,957.39x = 124,729,395.42
  5. Step 5: Solve for x
    x = 124,729,395.42/13,957.39
  6. Step 6: Final answer
    x = 8,936.44

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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.