Home / 16,900.60-25,352.10-5,213.80

Finding the Fourth Proportional to 16,900.60, 25,352.10 and 5,213.80

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Solution

The fourth proportional to 16,900.60, 25,352.10 and 5,213.80 is: 7,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,900.60 : 25,352.10 = 5,213.80 : x
  2. Step 2: Convert to fraction form
    16,900.60/25,352.10 = 5,213.80/x
  3. Step 3: Cross multiply
    16,900.60x = 25,352.10 × 5,213.80
  4. Step 4: Simplify right side
    16,900.60x = 132,180,778.98
  5. Step 5: Solve for x
    x = 132,180,778.98/16,900.60
  6. Step 6: Final answer
    x = 7,821.07

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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.