Home / 18,045.82-27,073.34-7,512.35

Finding the Fourth Proportional to 18,045.82, 27,073.34 and 7,512.35

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Solution

The fourth proportional to 18,045.82, 27,073.34 and 7,512.35 is: 11,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.82 : 27,073.34 = 7,512.35 : x
  2. Step 2: Convert to fraction form
    18,045.82/27,073.34 = 7,512.35/x
  3. Step 3: Cross multiply
    18,045.82x = 27,073.34 × 7,512.35
  4. Step 4: Simplify right side
    18,045.82x = 203,384,260.99
  5. Step 5: Solve for x
    x = 203,384,260.99/18,045.82
  6. Step 6: Final answer
    x = 11,270.44

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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.