Home / 19,818.64-27,348.96-11,856.70

Finding the Fourth Proportional to 19,818.64, 27,348.96 and 11,856.70

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Solution

The fourth proportional to 19,818.64, 27,348.96 and 11,856.70 is: 16,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.64 : 27,348.96 = 11,856.70 : x
  2. Step 2: Convert to fraction form
    19,818.64/27,348.96 = 11,856.70/x
  3. Step 3: Cross multiply
    19,818.64x = 27,348.96 × 11,856.70
  4. Step 4: Simplify right side
    19,818.64x = 324,268,414.03
  5. Step 5: Solve for x
    x = 324,268,414.03/19,818.64
  6. Step 6: Final answer
    x = 16,361.79

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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.