Home / 19,481.40-29,230.20-6,337.80

Finding the Fourth Proportional to 19,481.40, 29,230.20 and 6,337.80

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Solution

The fourth proportional to 19,481.40, 29,230.20 and 6,337.80 is: 9,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.40 : 29,230.20 = 6,337.80 : x
  2. Step 2: Convert to fraction form
    19,481.40/29,230.20 = 6,337.80/x
  3. Step 3: Cross multiply
    19,481.40x = 29,230.20 × 6,337.80
  4. Step 4: Simplify right side
    19,481.40x = 185,255,161.56
  5. Step 5: Solve for x
    x = 185,255,161.56/19,481.40
  6. Step 6: Final answer
    x = 9,509.34

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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.