Home / 25,774.25-38,658.93-8,239.37

Finding the Fourth Proportional to 25,774.25, 38,658.93 and 8,239.37

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Solution

The fourth proportional to 25,774.25, 38,658.93 and 8,239.37 is: 12,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.25 : 38,658.93 = 8,239.37 : x
  2. Step 2: Convert to fraction form
    25,774.25/38,658.93 = 8,239.37/x
  3. Step 3: Cross multiply
    25,774.25x = 38,658.93 × 8,239.37
  4. Step 4: Simplify right side
    25,774.25x = 318,525,034.78
  5. Step 5: Solve for x
    x = 318,525,034.78/25,774.25
  6. Step 6: Final answer
    x = 12,358.27

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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.