Home / 23,431.20-35,147.40-7,636.26

Finding the Fourth Proportional to 23,431.20, 35,147.40 and 7,636.26

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Solution

The fourth proportional to 23,431.20, 35,147.40 and 7,636.26 is: 11,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.20 : 35,147.40 = 7,636.26 : x
  2. Step 2: Convert to fraction form
    23,431.20/35,147.40 = 7,636.26/x
  3. Step 3: Cross multiply
    23,431.20x = 35,147.40 × 7,636.26
  4. Step 4: Simplify right side
    23,431.20x = 268,394,684.72
  5. Step 5: Solve for x
    x = 268,394,684.72/23,431.20
  6. Step 6: Final answer
    x = 11,454.59

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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.