Home / 16,231.54-24,344.86-5,136.78

Finding the Fourth Proportional to 16,231.54, 24,344.86 and 5,136.78

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Solution

The fourth proportional to 16,231.54, 24,344.86 and 5,136.78 is: 7,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.54 : 24,344.86 = 5,136.78 : x
  2. Step 2: Convert to fraction form
    16,231.54/24,344.86 = 5,136.78/x
  3. Step 3: Cross multiply
    16,231.54x = 24,344.86 × 5,136.78
  4. Step 4: Simplify right side
    16,231.54x = 125,054,189.95
  5. Step 5: Solve for x
    x = 125,054,189.95/16,231.54
  6. Step 6: Final answer
    x = 7,704.40

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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.