Home / 16,731.40-25,100.34-8,404.60

Finding the Fourth Proportional to 16,731.40, 25,100.34 and 8,404.60

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Solution

The fourth proportional to 16,731.40, 25,100.34 and 8,404.60 is: 12,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.40 : 25,100.34 = 8,404.60 : x
  2. Step 2: Convert to fraction form
    16,731.40/25,100.34 = 8,404.60/x
  3. Step 3: Cross multiply
    16,731.40x = 25,100.34 × 8,404.60
  4. Step 4: Simplify right side
    16,731.40x = 210,958,317.56
  5. Step 5: Solve for x
    x = 210,958,317.56/16,731.40
  6. Step 6: Final answer
    x = 12,608.53

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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.