Home / 27,126.11-37,435.41-15,188.73

Finding the Fourth Proportional to 27,126.11, 37,435.41 and 15,188.73

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Solution

The fourth proportional to 27,126.11, 37,435.41 and 15,188.73 is: 20,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.11 : 37,435.41 = 15,188.73 : x
  2. Step 2: Convert to fraction form
    27,126.11/37,435.41 = 15,188.73/x
  3. Step 3: Cross multiply
    27,126.11x = 37,435.41 × 15,188.73
  4. Step 4: Simplify right side
    27,126.11x = 568,596,334.93
  5. Step 5: Solve for x
    x = 568,596,334.93/27,126.11
  6. Step 6: Final answer
    x = 20,961.22

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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.