Home / 20,834.59-31,253.94-6,794.05

Finding the Fourth Proportional to 20,834.59, 31,253.94 and 6,794.05

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Solution

The fourth proportional to 20,834.59, 31,253.94 and 6,794.05 is: 10,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.59 : 31,253.94 = 6,794.05 : x
  2. Step 2: Convert to fraction form
    20,834.59/31,253.94 = 6,794.05/x
  3. Step 3: Cross multiply
    20,834.59x = 31,253.94 × 6,794.05
  4. Step 4: Simplify right side
    20,834.59x = 212,340,889.87
  5. Step 5: Solve for x
    x = 212,340,889.87/20,834.59
  6. Step 6: Final answer
    x = 10,191.75

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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.