Home / 18,333.62-27,480.75-12,006.08

Finding the Fourth Proportional to 18,333.62, 27,480.75 and 12,006.08

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Solution

The fourth proportional to 18,333.62, 27,480.75 and 12,006.08 is: 17,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.62 : 27,480.75 = 12,006.08 : x
  2. Step 2: Convert to fraction form
    18,333.62/27,480.75 = 12,006.08/x
  3. Step 3: Cross multiply
    18,333.62x = 27,480.75 × 12,006.08
  4. Step 4: Simplify right side
    18,333.62x = 329,936,082.96
  5. Step 5: Solve for x
    x = 329,936,082.96/18,333.62
  6. Step 6: Final answer
    x = 17,996.23

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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.