Home / 18,376.48-27,529.94-10,857.56

Finding the Fourth Proportional to 18,376.48, 27,529.94 and 10,857.56

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Solution

The fourth proportional to 18,376.48, 27,529.94 and 10,857.56 is: 16,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.48 : 27,529.94 = 10,857.56 : x
  2. Step 2: Convert to fraction form
    18,376.48/27,529.94 = 10,857.56/x
  3. Step 3: Cross multiply
    18,376.48x = 27,529.94 × 10,857.56
  4. Step 4: Simplify right side
    18,376.48x = 298,907,864.84
  5. Step 5: Solve for x
    x = 298,907,864.84/18,376.48
  6. Step 6: Final answer
    x = 16,265.78

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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.