Home / 14,110.75-21,164.64-4,247.83

Finding the Fourth Proportional to 14,110.75, 21,164.64 and 4,247.83

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Solution

The fourth proportional to 14,110.75, 21,164.64 and 4,247.83 is: 6,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.75 : 21,164.64 = 4,247.83 : x
  2. Step 2: Convert to fraction form
    14,110.75/21,164.64 = 4,247.83/x
  3. Step 3: Cross multiply
    14,110.75x = 21,164.64 × 4,247.83
  4. Step 4: Simplify right side
    14,110.75x = 89,903,792.73
  5. Step 5: Solve for x
    x = 89,903,792.73/14,110.75
  6. Step 6: Final answer
    x = 6,371.30

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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.