Home / 20,727.08-31,093.68-7,399.04

Finding the Fourth Proportional to 20,727.08, 31,093.68 and 7,399.04

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Solution

The fourth proportional to 20,727.08, 31,093.68 and 7,399.04 is: 11,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.08 : 31,093.68 = 7,399.04 : x
  2. Step 2: Convert to fraction form
    20,727.08/31,093.68 = 7,399.04/x
  3. Step 3: Cross multiply
    20,727.08x = 31,093.68 × 7,399.04
  4. Step 4: Simplify right side
    20,727.08x = 230,063,382.07
  5. Step 5: Solve for x
    x = 230,063,382.07/20,727.08
  6. Step 6: Final answer
    x = 11,099.65

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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.