Home / 14,542.27-21,812.54-5,181.80

Finding the Fourth Proportional to 14,542.27, 21,812.54 and 5,181.80

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Solution

The fourth proportional to 14,542.27, 21,812.54 and 5,181.80 is: 7,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.27 : 21,812.54 = 5,181.80 : x
  2. Step 2: Convert to fraction form
    14,542.27/21,812.54 = 5,181.80/x
  3. Step 3: Cross multiply
    14,542.27x = 21,812.54 × 5,181.80
  4. Step 4: Simplify right side
    14,542.27x = 113,028,084.80
  5. Step 5: Solve for x
    x = 113,028,084.80/14,542.27
  6. Step 6: Final answer
    x = 7,772.38

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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.