Home / 18,130.93-27,195.71-4,982.96

Finding the Fourth Proportional to 18,130.93, 27,195.71 and 4,982.96

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Solution

The fourth proportional to 18,130.93, 27,195.71 and 4,982.96 is: 7,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.93 : 27,195.71 = 4,982.96 : x
  2. Step 2: Convert to fraction form
    18,130.93/27,195.71 = 4,982.96/x
  3. Step 3: Cross multiply
    18,130.93x = 27,195.71 × 4,982.96
  4. Step 4: Simplify right side
    18,130.93x = 135,514,974.21
  5. Step 5: Solve for x
    x = 135,514,974.21/18,130.93
  6. Step 6: Final answer
    x = 7,474.24

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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.