Home / 18,093.35-27,138.73-5,613.05

Finding the Fourth Proportional to 18,093.35, 27,138.73 and 5,613.05

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Solution

The fourth proportional to 18,093.35, 27,138.73 and 5,613.05 is: 8,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.35 : 27,138.73 = 5,613.05 : x
  2. Step 2: Convert to fraction form
    18,093.35/27,138.73 = 5,613.05/x
  3. Step 3: Cross multiply
    18,093.35x = 27,138.73 × 5,613.05
  4. Step 4: Simplify right side
    18,093.35x = 152,331,020.36
  5. Step 5: Solve for x
    x = 152,331,020.36/18,093.35
  6. Step 6: Final answer
    x = 8,419.17

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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.