Home / 26,380.55-39,564.68-12,350.25

Finding the Fourth Proportional to 26,380.55, 39,564.68 and 12,350.25

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Solution

The fourth proportional to 26,380.55, 39,564.68 and 12,350.25 is: 18,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.55 : 39,564.68 = 12,350.25 : x
  2. Step 2: Convert to fraction form
    26,380.55/39,564.68 = 12,350.25/x
  3. Step 3: Cross multiply
    26,380.55x = 39,564.68 × 12,350.25
  4. Step 4: Simplify right side
    26,380.55x = 488,633,627.42
  5. Step 5: Solve for x
    x = 488,633,627.42/26,380.55
  6. Step 6: Final answer
    x = 18,522.49

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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.