Home / 18,072.48-27,113.64-7,539.03

Finding the Fourth Proportional to 18,072.48, 27,113.64 and 7,539.03

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Solution

The fourth proportional to 18,072.48, 27,113.64 and 7,539.03 is: 11,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.48 : 27,113.64 = 7,539.03 : x
  2. Step 2: Convert to fraction form
    18,072.48/27,113.64 = 7,539.03/x
  3. Step 3: Cross multiply
    18,072.48x = 27,113.64 × 7,539.03
  4. Step 4: Simplify right side
    18,072.48x = 204,410,545.37
  5. Step 5: Solve for x
    x = 204,410,545.37/18,072.48
  6. Step 6: Final answer
    x = 11,310.60

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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.