Home / 25,556.75-38,310.20-12,226.26

Finding the Fourth Proportional to 25,556.75, 38,310.20 and 12,226.26

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Solution

The fourth proportional to 25,556.75, 38,310.20 and 12,226.26 is: 18,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.75 : 38,310.20 = 12,226.26 : x
  2. Step 2: Convert to fraction form
    25,556.75/38,310.20 = 12,226.26/x
  3. Step 3: Cross multiply
    25,556.75x = 38,310.20 × 12,226.26
  4. Step 4: Simplify right side
    25,556.75x = 468,390,511.13
  5. Step 5: Solve for x
    x = 468,390,511.13/25,556.75
  6. Step 6: Final answer
    x = 18,327.47

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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.