Home / 27,103.38-37,401.81-15,003.12

Finding the Fourth Proportional to 27,103.38, 37,401.81 and 15,003.12

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Solution

The fourth proportional to 27,103.38, 37,401.81 and 15,003.12 is: 20,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.38 : 37,401.81 = 15,003.12 : x
  2. Step 2: Convert to fraction form
    27,103.38/37,401.81 = 15,003.12/x
  3. Step 3: Cross multiply
    27,103.38x = 37,401.81 × 15,003.12
  4. Step 4: Simplify right side
    27,103.38x = 561,143,843.65
  5. Step 5: Solve for x
    x = 561,143,843.65/27,103.38
  6. Step 6: Final answer
    x = 20,703.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.