Home / 25,172.50-37,735.16-8,520.88

Finding the Fourth Proportional to 25,172.50, 37,735.16 and 8,520.88

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Solution

The fourth proportional to 25,172.50, 37,735.16 and 8,520.88 is: 12,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.50 : 37,735.16 = 8,520.88 : x
  2. Step 2: Convert to fraction form
    25,172.50/37,735.16 = 8,520.88/x
  3. Step 3: Cross multiply
    25,172.50x = 37,735.16 × 8,520.88
  4. Step 4: Simplify right side
    25,172.50x = 321,536,727.54
  5. Step 5: Solve for x
    x = 321,536,727.54/25,172.50
  6. Step 6: Final answer
    x = 12,773.33

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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.