Home / 18,150.03-27,228.24-8,290.29

Finding the Fourth Proportional to 18,150.03, 27,228.24 and 8,290.29

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Solution

The fourth proportional to 18,150.03, 27,228.24 and 8,290.29 is: 12,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.03 : 27,228.24 = 8,290.29 : x
  2. Step 2: Convert to fraction form
    18,150.03/27,228.24 = 8,290.29/x
  3. Step 3: Cross multiply
    18,150.03x = 27,228.24 × 8,290.29
  4. Step 4: Simplify right side
    18,150.03x = 225,730,005.79
  5. Step 5: Solve for x
    x = 225,730,005.79/18,150.03
  6. Step 6: Final answer
    x = 12,436.89

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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.