Home / 19,789.26-27,309.54-10,836.66

Finding the Fourth Proportional to 19,789.26, 27,309.54 and 10,836.66

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Solution

The fourth proportional to 19,789.26, 27,309.54 and 10,836.66 is: 14,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.26 : 27,309.54 = 10,836.66 : x
  2. Step 2: Convert to fraction form
    19,789.26/27,309.54 = 10,836.66/x
  3. Step 3: Cross multiply
    19,789.26x = 27,309.54 × 10,836.66
  4. Step 4: Simplify right side
    19,789.26x = 295,944,199.74
  5. Step 5: Solve for x
    x = 295,944,199.74/19,789.26
  6. Step 6: Final answer
    x = 14,954.79

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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.