Home / 18,132.88-27,173.40-10,325.56

Finding the Fourth Proportional to 18,132.88, 27,173.40 and 10,325.56

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Solution

The fourth proportional to 18,132.88, 27,173.40 and 10,325.56 is: 15,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.88 : 27,173.40 = 10,325.56 : x
  2. Step 2: Convert to fraction form
    18,132.88/27,173.40 = 10,325.56/x
  3. Step 3: Cross multiply
    18,132.88x = 27,173.40 × 10,325.56
  4. Step 4: Simplify right side
    18,132.88x = 280,580,572.10
  5. Step 5: Solve for x
    x = 280,580,572.10/18,132.88
  6. Step 6: Final answer
    x = 15,473.58

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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.