Home / 25,968.24-38,930.40-10,396.80

Finding the Fourth Proportional to 25,968.24, 38,930.40 and 10,396.80

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Solution

The fourth proportional to 25,968.24, 38,930.40 and 10,396.80 is: 15,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968.24 : 38,930.40 = 10,396.80 : x
  2. Step 2: Convert to fraction form
    25,968.24/38,930.40 = 10,396.80/x
  3. Step 3: Cross multiply
    25,968.24x = 38,930.40 × 10,396.80
  4. Step 4: Simplify right side
    25,968.24x = 404,751,582.72
  5. Step 5: Solve for x
    x = 404,751,582.72/25,968.24
  6. Step 6: Final answer
    x = 15,586.41

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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.