Home / 13,633.62-20,456.91-6,706.50

Finding the Fourth Proportional to 13,633.62, 20,456.91 and 6,706.50

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Solution

The fourth proportional to 13,633.62, 20,456.91 and 6,706.50 is: 10,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.62 : 20,456.91 = 6,706.50 : x
  2. Step 2: Convert to fraction form
    13,633.62/20,456.91 = 6,706.50/x
  3. Step 3: Cross multiply
    13,633.62x = 20,456.91 × 6,706.50
  4. Step 4: Simplify right side
    13,633.62x = 137,194,266.92
  5. Step 5: Solve for x
    x = 137,194,266.92/13,633.62
  6. Step 6: Final answer
    x = 10,062.94

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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.