Home / 20,630.48-30,950.20-6,594.80

Finding the Fourth Proportional to 20,630.48, 30,950.20 and 6,594.80

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Solution

The fourth proportional to 20,630.48, 30,950.20 and 6,594.80 is: 9,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630.48 : 30,950.20 = 6,594.80 : x
  2. Step 2: Convert to fraction form
    20,630.48/30,950.20 = 6,594.80/x
  3. Step 3: Cross multiply
    20,630.48x = 30,950.20 × 6,594.80
  4. Step 4: Simplify right side
    20,630.48x = 204,110,378.96
  5. Step 5: Solve for x
    x = 204,110,378.96/20,630.48
  6. Step 6: Final answer
    x = 9,893.63

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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.