Home / 14,020.82-21,034.62-5,255.81

Finding the Fourth Proportional to 14,020.82, 21,034.62 and 5,255.81

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Solution

The fourth proportional to 14,020.82, 21,034.62 and 5,255.81 is: 7,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.82 : 21,034.62 = 5,255.81 : x
  2. Step 2: Convert to fraction form
    14,020.82/21,034.62 = 5,255.81/x
  3. Step 3: Cross multiply
    14,020.82x = 21,034.62 × 5,255.81
  4. Step 4: Simplify right side
    14,020.82x = 110,553,966.14
  5. Step 5: Solve for x
    x = 110,553,966.14/14,020.82
  6. Step 6: Final answer
    x = 7,884.99

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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.