Home / 25,704.18-38,556.36-8,175.60

Finding the Fourth Proportional to 25,704.18, 38,556.36 and 8,175.60

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Solution

The fourth proportional to 25,704.18, 38,556.36 and 8,175.60 is: 12,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.18 : 38,556.36 = 8,175.60 : x
  2. Step 2: Convert to fraction form
    25,704.18/38,556.36 = 8,175.60/x
  3. Step 3: Cross multiply
    25,704.18x = 38,556.36 × 8,175.60
  4. Step 4: Simplify right side
    25,704.18x = 315,221,376.82
  5. Step 5: Solve for x
    x = 315,221,376.82/25,704.18
  6. Step 6: Final answer
    x = 12,263.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.