Home / 25,786.57-35,578.83-15,174.22

Finding the Fourth Proportional to 25,786.57, 35,578.83 and 15,174.22

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Solution

The fourth proportional to 25,786.57, 35,578.83 and 15,174.22 is: 20,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.57 : 35,578.83 = 15,174.22 : x
  2. Step 2: Convert to fraction form
    25,786.57/35,578.83 = 15,174.22/x
  3. Step 3: Cross multiply
    25,786.57x = 35,578.83 × 15,174.22
  4. Step 4: Simplify right side
    25,786.57x = 539,880,993.76
  5. Step 5: Solve for x
    x = 539,880,993.76/25,786.57
  6. Step 6: Final answer
    x = 20,936.52

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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.