Home / 13,708.80-20,532.96-11,099.52

Finding the Fourth Proportional to 13,708.80, 20,532.96 and 11,099.52

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Solution

The fourth proportional to 13,708.80, 20,532.96 and 11,099.52 is: 16,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.80 : 20,532.96 = 11,099.52 : x
  2. Step 2: Convert to fraction form
    13,708.80/20,532.96 = 11,099.52/x
  3. Step 3: Cross multiply
    13,708.80x = 20,532.96 × 11,099.52
  4. Step 4: Simplify right side
    13,708.80x = 227,906,000.18
  5. Step 5: Solve for x
    x = 227,906,000.18/13,708.80
  6. Step 6: Final answer
    x = 16,624.80

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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.