Home / 18,134.88-27,176.40-10,327.56

Finding the Fourth Proportional to 18,134.88, 27,176.40 and 10,327.56

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Solution

The fourth proportional to 18,134.88, 27,176.40 and 10,327.56 is: 15,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.88 : 27,176.40 = 10,327.56 : x
  2. Step 2: Convert to fraction form
    18,134.88/27,176.40 = 10,327.56/x
  3. Step 3: Cross multiply
    18,134.88x = 27,176.40 × 10,327.56
  4. Step 4: Simplify right side
    18,134.88x = 280,665,901.58
  5. Step 5: Solve for x
    x = 280,665,901.58/18,134.88
  6. Step 6: Final answer
    x = 15,476.58

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1.5x scale

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.