Home / 19,375.44-26,744.52-11,419.92

Finding the Fourth Proportional to 19,375.44, 26,744.52 and 11,419.92

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Solution

The fourth proportional to 19,375.44, 26,744.52 and 11,419.92 is: 15,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.44 : 26,744.52 = 11,419.92 : x
  2. Step 2: Convert to fraction form
    19,375.44/26,744.52 = 11,419.92/x
  3. Step 3: Cross multiply
    19,375.44x = 26,744.52 × 11,419.92
  4. Step 4: Simplify right side
    19,375.44x = 305,420,278.84
  5. Step 5: Solve for x
    x = 305,420,278.84/19,375.44
  6. Step 6: Final answer
    x = 15,763.27

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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.