Home / 20,850.15-31,277.27-6,059.20

Finding the Fourth Proportional to 20,850.15, 31,277.27 and 6,059.20

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Solution

The fourth proportional to 20,850.15, 31,277.27 and 6,059.20 is: 9,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850.15 : 31,277.27 = 6,059.20 : x
  2. Step 2: Convert to fraction form
    20,850.15/31,277.27 = 6,059.20/x
  3. Step 3: Cross multiply
    20,850.15x = 31,277.27 × 6,059.20
  4. Step 4: Simplify right side
    20,850.15x = 189,515,171.34
  5. Step 5: Solve for x
    x = 189,515,171.34/20,850.15
  6. Step 6: Final answer
    x = 9,089.39

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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.