Home / 43,556.28-65,306.34-18,612.60

Finding the Fourth Proportional to 43,556.28, 65,306.34 and 18,612.60

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Solution

The fourth proportional to 43,556.28, 65,306.34 and 18,612.60 is: 27,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,556.28 : 65,306.34 = 18,612.60 : x
  2. Step 2: Convert to fraction form
    43,556.28/65,306.34 = 18,612.60/x
  3. Step 3: Cross multiply
    43,556.28x = 65,306.34 × 18,612.60
  4. Step 4: Simplify right side
    43,556.28x = 1,215,520,783.88
  5. Step 5: Solve for x
    x = 1,215,520,783.88/43,556.28
  6. Step 6: Final answer
    x = 27,906.90

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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.