Home / 18,515.17-27,737.52-11,473.03

Finding the Fourth Proportional to 18,515.17, 27,737.52 and 11,473.03

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Solution

The fourth proportional to 18,515.17, 27,737.52 and 11,473.03 is: 17,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.17 : 27,737.52 = 11,473.03 : x
  2. Step 2: Convert to fraction form
    18,515.17/27,737.52 = 11,473.03/x
  3. Step 3: Cross multiply
    18,515.17x = 27,737.52 × 11,473.03
  4. Step 4: Simplify right side
    18,515.17x = 318,233,399.09
  5. Step 5: Solve for x
    x = 318,233,399.09/18,515.17
  6. Step 6: Final answer
    x = 17,187.71

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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.