Home / 25,821.54-35,638.76-15,067.69

Finding the Fourth Proportional to 25,821.54, 35,638.76 and 15,067.69

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Solution

The fourth proportional to 25,821.54, 35,638.76 and 15,067.69 is: 20,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.54 : 35,638.76 = 15,067.69 : x
  2. Step 2: Convert to fraction form
    25,821.54/35,638.76 = 15,067.69/x
  3. Step 3: Cross multiply
    25,821.54x = 35,638.76 × 15,067.69
  4. Step 4: Simplify right side
    25,821.54x = 536,993,736.24
  5. Step 5: Solve for x
    x = 536,993,736.24/25,821.54
  6. Step 6: Final answer
    x = 20,796.35

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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.