Home / 19,144.31-26,419.73-11,591.96

Finding the Fourth Proportional to 19,144.31, 26,419.73 and 11,591.96

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Solution

The fourth proportional to 19,144.31, 26,419.73 and 11,591.96 is: 15,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.31 : 26,419.73 = 11,591.96 : x
  2. Step 2: Convert to fraction form
    19,144.31/26,419.73 = 11,591.96/x
  3. Step 3: Cross multiply
    19,144.31x = 26,419.73 × 11,591.96
  4. Step 4: Simplify right side
    19,144.31x = 306,256,263.31
  5. Step 5: Solve for x
    x = 306,256,263.31/19,144.31
  6. Step 6: Final answer
    x = 15,997.25

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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.