Home / 20,566.74-30,847.77-5,776.86

Finding the Fourth Proportional to 20,566.74, 30,847.77 and 5,776.86

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Solution

The fourth proportional to 20,566.74, 30,847.77 and 5,776.86 is: 8,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.74 : 30,847.77 = 5,776.86 : x
  2. Step 2: Convert to fraction form
    20,566.74/30,847.77 = 5,776.86/x
  3. Step 3: Cross multiply
    20,566.74x = 30,847.77 × 5,776.86
  4. Step 4: Simplify right side
    20,566.74x = 178,203,248.60
  5. Step 5: Solve for x
    x = 178,203,248.60/20,566.74
  6. Step 6: Final answer
    x = 8,664.63

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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.