Home / 14,534.43-21,795.16-4,143.75

Finding the Fourth Proportional to 14,534.43, 21,795.16 and 4,143.75

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Solution

The fourth proportional to 14,534.43, 21,795.16 and 4,143.75 is: 6,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.43 : 21,795.16 = 4,143.75 : x
  2. Step 2: Convert to fraction form
    14,534.43/21,795.16 = 4,143.75/x
  3. Step 3: Cross multiply
    14,534.43x = 21,795.16 × 4,143.75
  4. Step 4: Simplify right side
    14,534.43x = 90,313,694.25
  5. Step 5: Solve for x
    x = 90,313,694.25/14,534.43
  6. Step 6: Final answer
    x = 6,213.78

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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.