Home / 19,789.41-27,309.38-10,837.09

Finding the Fourth Proportional to 19,789.41, 27,309.38 and 10,837.09

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Solution

The fourth proportional to 19,789.41, 27,309.38 and 10,837.09 is: 14,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.41 : 27,309.38 = 10,837.09 : x
  2. Step 2: Convert to fraction form
    19,789.41/27,309.38 = 10,837.09/x
  3. Step 3: Cross multiply
    19,789.41x = 27,309.38 × 10,837.09
  4. Step 4: Simplify right side
    19,789.41x = 295,954,188.86
  5. Step 5: Solve for x
    x = 295,954,188.86/19,789.41
  6. Step 6: Final answer
    x = 14,955.18

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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.