Home / 19,789.87-27,310.02-10,837.92

Finding the Fourth Proportional to 19,789.87, 27,310.02 and 10,837.92

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Solution

The fourth proportional to 19,789.87, 27,310.02 and 10,837.92 is: 14,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.87 : 27,310.02 = 10,837.92 : x
  2. Step 2: Convert to fraction form
    19,789.87/27,310.02 = 10,837.92/x
  3. Step 3: Cross multiply
    19,789.87x = 27,310.02 × 10,837.92
  4. Step 4: Simplify right side
    19,789.87x = 295,983,811.96
  5. Step 5: Solve for x
    x = 295,983,811.96/19,789.87
  6. Step 6: Final answer
    x = 14,956.33

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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.