Home / 20,682.54-31,019.13-5,891.13

Finding the Fourth Proportional to 20,682.54, 31,019.13 and 5,891.13

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Solution

The fourth proportional to 20,682.54, 31,019.13 and 5,891.13 is: 8,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.54 : 31,019.13 = 5,891.13 : x
  2. Step 2: Convert to fraction form
    20,682.54/31,019.13 = 5,891.13/x
  3. Step 3: Cross multiply
    20,682.54x = 31,019.13 × 5,891.13
  4. Step 4: Simplify right side
    20,682.54x = 182,737,727.32
  5. Step 5: Solve for x
    x = 182,737,727.32/20,682.54
  6. Step 6: Final answer
    x = 8,835.36

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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.