Home / 18,130.80-27,195.52-4,982.83

Finding the Fourth Proportional to 18,130.80, 27,195.52 and 4,982.83

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Solution

The fourth proportional to 18,130.80, 27,195.52 and 4,982.83 is: 7,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.80 : 27,195.52 = 4,982.83 : x
  2. Step 2: Convert to fraction form
    18,130.80/27,195.52 = 4,982.83/x
  3. Step 3: Cross multiply
    18,130.80x = 27,195.52 × 4,982.83
  4. Step 4: Simplify right side
    18,130.80x = 135,510,640.46
  5. Step 5: Solve for x
    x = 135,510,640.46/18,130.80
  6. Step 6: Final answer
    x = 7,474.06

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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.