Home / 25,868.82-35,697.94-15,814.09

Finding the Fourth Proportional to 25,868.82, 35,697.94 and 15,814.09

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Solution

The fourth proportional to 25,868.82, 35,697.94 and 15,814.09 is: 21,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.82 : 35,697.94 = 15,814.09 : x
  2. Step 2: Convert to fraction form
    25,868.82/35,697.94 = 15,814.09/x
  3. Step 3: Cross multiply
    25,868.82x = 35,697.94 × 15,814.09
  4. Step 4: Simplify right side
    25,868.82x = 564,530,435.97
  5. Step 5: Solve for x
    x = 564,530,435.97/25,868.82
  6. Step 6: Final answer
    x = 21,822.81

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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.