Home / 18,254.14-27,382.35-7,722.19

Finding the Fourth Proportional to 18,254.14, 27,382.35 and 7,722.19

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Solution

The fourth proportional to 18,254.14, 27,382.35 and 7,722.19 is: 11,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.14 : 27,382.35 = 7,722.19 : x
  2. Step 2: Convert to fraction form
    18,254.14/27,382.35 = 7,722.19/x
  3. Step 3: Cross multiply
    18,254.14x = 27,382.35 × 7,722.19
  4. Step 4: Simplify right side
    18,254.14x = 211,451,709.35
  5. Step 5: Solve for x
    x = 211,451,709.35/18,254.14
  6. Step 6: Final answer
    x = 11,583.77

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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.