Home / 14,149.80-21,217.89-5,262.27

Finding the Fourth Proportional to 14,149.80, 21,217.89 and 5,262.27

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Solution

The fourth proportional to 14,149.80, 21,217.89 and 5,262.27 is: 7,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.80 : 21,217.89 = 5,262.27 : x
  2. Step 2: Convert to fraction form
    14,149.80/21,217.89 = 5,262.27/x
  3. Step 3: Cross multiply
    14,149.80x = 21,217.89 × 5,262.27
  4. Step 4: Simplify right side
    14,149.80x = 111,654,266.01
  5. Step 5: Solve for x
    x = 111,654,266.01/14,149.80
  6. Step 6: Final answer
    x = 7,890.87

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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.