Home / 18,013.77-27,028.17-7,486.10

Finding the Fourth Proportional to 18,013.77, 27,028.17 and 7,486.10

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Solution

The fourth proportional to 18,013.77, 27,028.17 and 7,486.10 is: 11,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.77 : 27,028.17 = 7,486.10 : x
  2. Step 2: Convert to fraction form
    18,013.77/27,028.17 = 7,486.10/x
  3. Step 3: Cross multiply
    18,013.77x = 27,028.17 × 7,486.10
  4. Step 4: Simplify right side
    18,013.77x = 202,335,583.44
  5. Step 5: Solve for x
    x = 202,335,583.44/18,013.77
  6. Step 6: Final answer
    x = 11,232.27

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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.