Home / 18,347.12-27,520.68-4,496

Finding the Fourth Proportional to 18,347.12, 27,520.68 and 4,496

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Solution

The fourth proportional to 18,347.12, 27,520.68 and 4,496 is: 6,744

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.12 : 27,520.68 = 4,496 : x
  2. Step 2: Convert to fraction form
    18,347.12/27,520.68 = 4,496/x
  3. Step 3: Cross multiply
    18,347.12x = 27,520.68 × 4,496
  4. Step 4: Simplify right side
    18,347.12x = 123,732,977.28
  5. Step 5: Solve for x
    x = 123,732,977.28/18,347.12
  6. Step 6: Final answer
    x = 6,744

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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.