Home / 20,794.07-31,191.37-6,943.07

Finding the Fourth Proportional to 20,794.07, 31,191.37 and 6,943.07

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Solution

The fourth proportional to 20,794.07, 31,191.37 and 6,943.07 is: 10,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.07 : 31,191.37 = 6,943.07 : x
  2. Step 2: Convert to fraction form
    20,794.07/31,191.37 = 6,943.07/x
  3. Step 3: Cross multiply
    20,794.07x = 31,191.37 × 6,943.07
  4. Step 4: Simplify right side
    20,794.07x = 216,563,674.63
  5. Step 5: Solve for x
    x = 216,563,674.63/20,794.07
  6. Step 6: Final answer
    x = 10,414.69

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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.