Home / 18,627.05-27,936.50-11,943.51

Finding the Fourth Proportional to 18,627.05, 27,936.50 and 11,943.51

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Solution

The fourth proportional to 18,627.05, 27,936.50 and 11,943.51 is: 17,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.05 : 27,936.50 = 11,943.51 : x
  2. Step 2: Convert to fraction form
    18,627.05/27,936.50 = 11,943.51/x
  3. Step 3: Cross multiply
    18,627.05x = 27,936.50 × 11,943.51
  4. Step 4: Simplify right side
    18,627.05x = 333,659,807.40
  5. Step 5: Solve for x
    x = 333,659,807.40/18,627.05
  6. Step 6: Final answer
    x = 17,912.65

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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.