Home / 20,186.46-30,280.91-8,500.59

Finding the Fourth Proportional to 20,186.46, 30,280.91 and 8,500.59

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Solution

The fourth proportional to 20,186.46, 30,280.91 and 8,500.59 is: 12,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.46 : 30,280.91 = 8,500.59 : x
  2. Step 2: Convert to fraction form
    20,186.46/30,280.91 = 8,500.59/x
  3. Step 3: Cross multiply
    20,186.46x = 30,280.91 × 8,500.59
  4. Step 4: Simplify right side
    20,186.46x = 257,405,558.23
  5. Step 5: Solve for x
    x = 257,405,558.23/20,186.46
  6. Step 6: Final answer
    x = 12,751.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.