Home / 19,759.64-27,268.74-11,800.37

Finding the Fourth Proportional to 19,759.64, 27,268.74 and 11,800.37

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Solution

The fourth proportional to 19,759.64, 27,268.74 and 11,800.37 is: 16,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.64 : 27,268.74 = 11,800.37 : x
  2. Step 2: Convert to fraction form
    19,759.64/27,268.74 = 11,800.37/x
  3. Step 3: Cross multiply
    19,759.64x = 27,268.74 × 11,800.37
  4. Step 4: Simplify right side
    19,759.64x = 321,781,221.43
  5. Step 5: Solve for x
    x = 321,781,221.43/19,759.64
  6. Step 6: Final answer
    x = 16,284.77

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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.