Home / 18,316.59-27,450.62-9,431.56

Finding the Fourth Proportional to 18,316.59, 27,450.62 and 9,431.56

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Solution

The fourth proportional to 18,316.59, 27,450.62 and 9,431.56 is: 14,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.59 : 27,450.62 = 9,431.56 : x
  2. Step 2: Convert to fraction form
    18,316.59/27,450.62 = 9,431.56/x
  3. Step 3: Cross multiply
    18,316.59x = 27,450.62 × 9,431.56
  4. Step 4: Simplify right side
    18,316.59x = 258,902,169.57
  5. Step 5: Solve for x
    x = 258,902,169.57/18,316.59
  6. Step 6: Final answer
    x = 14,134.85

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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.