Home / 20,847.08-31,276.14-6,057.38

Finding the Fourth Proportional to 20,847.08, 31,276.14 and 6,057.38

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Solution

The fourth proportional to 20,847.08, 31,276.14 and 6,057.38 is: 9,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847.08 : 31,276.14 = 6,057.38 : x
  2. Step 2: Convert to fraction form
    20,847.08/31,276.14 = 6,057.38/x
  3. Step 3: Cross multiply
    20,847.08x = 31,276.14 × 6,057.38
  4. Step 4: Simplify right side
    20,847.08x = 189,451,464.91
  5. Step 5: Solve for x
    x = 189,451,464.91/20,847.08
  6. Step 6: Final answer
    x = 9,087.67

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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.