Home / 20,844.84-31,267.44-6,993.84

Finding the Fourth Proportional to 20,844.84, 31,267.44 and 6,993.84

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Solution

The fourth proportional to 20,844.84, 31,267.44 and 6,993.84 is: 10,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.84 : 31,267.44 = 6,993.84 : x
  2. Step 2: Convert to fraction form
    20,844.84/31,267.44 = 6,993.84/x
  3. Step 3: Cross multiply
    20,844.84x = 31,267.44 × 6,993.84
  4. Step 4: Simplify right side
    20,844.84x = 218,679,472.57
  5. Step 5: Solve for x
    x = 218,679,472.57/20,844.84
  6. Step 6: Final answer
    x = 10,490.82

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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.