Home / 20,864.44-31,296.80-7,013.44

Finding the Fourth Proportional to 20,864.44, 31,296.80 and 7,013.44

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Solution

The fourth proportional to 20,864.44, 31,296.80 and 7,013.44 is: 10,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864.44 : 31,296.80 = 7,013.44 : x
  2. Step 2: Convert to fraction form
    20,864.44/31,296.80 = 7,013.44/x
  3. Step 3: Cross multiply
    20,864.44x = 31,296.80 × 7,013.44
  4. Step 4: Simplify right side
    20,864.44x = 219,498,228.99
  5. Step 5: Solve for x
    x = 219,498,228.99/20,864.44
  6. Step 6: Final answer
    x = 10,520.21

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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.