Home / 18,107.36-27,160.08-5,626.48

Finding the Fourth Proportional to 18,107.36, 27,160.08 and 5,626.48

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Solution

The fourth proportional to 18,107.36, 27,160.08 and 5,626.48 is: 8,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.36 : 27,160.08 = 5,626.48 : x
  2. Step 2: Convert to fraction form
    18,107.36/27,160.08 = 5,626.48/x
  3. Step 3: Cross multiply
    18,107.36x = 27,160.08 × 5,626.48
  4. Step 4: Simplify right side
    18,107.36x = 152,815,646.92
  5. Step 5: Solve for x
    x = 152,815,646.92/18,107.36
  6. Step 6: Final answer
    x = 8,439.42

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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.