Home / 20,723.40-31,089.24-5,932.44

Finding the Fourth Proportional to 20,723.40, 31,089.24 and 5,932.44

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Solution

The fourth proportional to 20,723.40, 31,089.24 and 5,932.44 is: 8,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.40 : 31,089.24 = 5,932.44 : x
  2. Step 2: Convert to fraction form
    20,723.40/31,089.24 = 5,932.44/x
  3. Step 3: Cross multiply
    20,723.40x = 31,089.24 × 5,932.44
  4. Step 4: Simplify right side
    20,723.40x = 184,435,050.95
  5. Step 5: Solve for x
    x = 184,435,050.95/20,723.40
  6. Step 6: Final answer
    x = 8,899.85

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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.