Home / 18,400.79-27,605.25-6,713.96

Finding the Fourth Proportional to 18,400.79, 27,605.25 and 6,713.96

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Solution

The fourth proportional to 18,400.79, 27,605.25 and 6,713.96 is: 10,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.79 : 27,605.25 = 6,713.96 : x
  2. Step 2: Convert to fraction form
    18,400.79/27,605.25 = 6,713.96/x
  3. Step 3: Cross multiply
    18,400.79x = 27,605.25 × 6,713.96
  4. Step 4: Simplify right side
    18,400.79x = 185,340,544.29
  5. Step 5: Solve for x
    x = 185,340,544.29/18,400.79
  6. Step 6: Final answer
    x = 10,072.42

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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.