Home / 19,759.93-27,256.24-13,789.42

Finding the Fourth Proportional to 19,759.93, 27,256.24 and 13,789.42

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Solution

The fourth proportional to 19,759.93, 27,256.24 and 13,789.42 is: 19,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.93 : 27,256.24 = 13,789.42 : x
  2. Step 2: Convert to fraction form
    19,759.93/27,256.24 = 13,789.42/x
  3. Step 3: Cross multiply
    19,759.93x = 27,256.24 × 13,789.42
  4. Step 4: Simplify right side
    19,759.93x = 375,847,672.03
  5. Step 5: Solve for x
    x = 375,847,672.03/19,759.93
  6. Step 6: Final answer
    x = 19,020.70

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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.