Home / 19,725.88-27,221.57-10,773.39

Finding the Fourth Proportional to 19,725.88, 27,221.57 and 10,773.39

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Solution

The fourth proportional to 19,725.88, 27,221.57 and 10,773.39 is: 14,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.88 : 27,221.57 = 10,773.39 : x
  2. Step 2: Convert to fraction form
    19,725.88/27,221.57 = 10,773.39/x
  3. Step 3: Cross multiply
    19,725.88x = 27,221.57 × 10,773.39
  4. Step 4: Simplify right side
    19,725.88x = 293,268,453.91
  5. Step 5: Solve for x
    x = 293,268,453.91/19,725.88
  6. Step 6: Final answer
    x = 14,867.19

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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.