Home / 20,813.88-31,219.58-6,022.46

Finding the Fourth Proportional to 20,813.88, 31,219.58 and 6,022.46

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Solution

The fourth proportional to 20,813.88, 31,219.58 and 6,022.46 is: 9,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,813.88 : 31,219.58 = 6,022.46 : x
  2. Step 2: Convert to fraction form
    20,813.88/31,219.58 = 6,022.46/x
  3. Step 3: Cross multiply
    20,813.88x = 31,219.58 × 6,022.46
  4. Step 4: Simplify right side
    20,813.88x = 188,018,671.77
  5. Step 5: Solve for x
    x = 188,018,671.77/20,813.88
  6. Step 6: Final answer
    x = 9,033.33

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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.