Home / 19,760.46-27,256.97-13,789.95

Finding the Fourth Proportional to 19,760.46, 27,256.97 and 13,789.95

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Solution

The fourth proportional to 19,760.46, 27,256.97 and 13,789.95 is: 19,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.46 : 27,256.97 = 13,789.95 : x
  2. Step 2: Convert to fraction form
    19,760.46/27,256.97 = 13,789.95/x
  3. Step 3: Cross multiply
    19,760.46x = 27,256.97 × 13,789.95
  4. Step 4: Simplify right side
    19,760.46x = 375,872,253.45
  5. Step 5: Solve for x
    x = 375,872,253.45/19,760.46
  6. Step 6: Final answer
    x = 19,021.43

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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.