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Finding the Fourth Proportional to 22,014.30, 33,017.40 and 13,679.40

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Solution

The fourth proportional to 22,014.30, 33,017.40 and 13,679.40 is: 20,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.30 : 33,017.40 = 13,679.40 : x
  2. Step 2: Convert to fraction form
    22,014.30/33,017.40 = 13,679.40/x
  3. Step 3: Cross multiply
    22,014.30x = 33,017.40 × 13,679.40
  4. Step 4: Simplify right side
    22,014.30x = 451,658,221.56
  5. Step 5: Solve for x
    x = 451,658,221.56/22,014.30
  6. Step 6: Final answer
    x = 20,516.58

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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.