Home / 18,667.68-25,753.08-12,616

Finding the Fourth Proportional to 18,667.68, 25,753.08 and 12,616

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Solution

The fourth proportional to 18,667.68, 25,753.08 and 12,616 is: 17,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.68 : 25,753.08 = 12,616 : x
  2. Step 2: Convert to fraction form
    18,667.68/25,753.08 = 12,616/x
  3. Step 3: Cross multiply
    18,667.68x = 25,753.08 × 12,616
  4. Step 4: Simplify right side
    18,667.68x = 324,900,857.28
  5. Step 5: Solve for x
    x = 324,900,857.28/18,667.68
  6. Step 6: Final answer
    x = 17,404.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.