Home / 18,382.19-27,578.14-9,614.75

Finding the Fourth Proportional to 18,382.19, 27,578.14 and 9,614.75

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Solution

The fourth proportional to 18,382.19, 27,578.14 and 9,614.75 is: 14,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.19 : 27,578.14 = 9,614.75 : x
  2. Step 2: Convert to fraction form
    18,382.19/27,578.14 = 9,614.75/x
  3. Step 3: Cross multiply
    18,382.19x = 27,578.14 × 9,614.75
  4. Step 4: Simplify right side
    18,382.19x = 265,156,759.64
  5. Step 5: Solve for x
    x = 265,156,759.64/18,382.19
  6. Step 6: Final answer
    x = 14,424.66

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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.