Home / 27,469.45-37,910.19-15,534.91

Finding the Fourth Proportional to 27,469.45, 37,910.19 and 15,534.91

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Solution

The fourth proportional to 27,469.45, 37,910.19 and 15,534.91 is: 21,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.45 : 37,910.19 = 15,534.91 : x
  2. Step 2: Convert to fraction form
    27,469.45/37,910.19 = 15,534.91/x
  3. Step 3: Cross multiply
    27,469.45x = 37,910.19 × 15,534.91
  4. Step 4: Simplify right side
    27,469.45x = 588,931,389.73
  5. Step 5: Solve for x
    x = 588,931,389.73/27,469.45
  6. Step 6: Final answer
    x = 21,439.50

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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.