Home / 14,296.50-21,431.97-7,272.58

Finding the Fourth Proportional to 14,296.50, 21,431.97 and 7,272.58

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Solution

The fourth proportional to 14,296.50, 21,431.97 and 7,272.58 is: 10,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.50 : 21,431.97 = 7,272.58 : x
  2. Step 2: Convert to fraction form
    14,296.50/21,431.97 = 7,272.58/x
  3. Step 3: Cross multiply
    14,296.50x = 21,431.97 × 7,272.58
  4. Step 4: Simplify right side
    14,296.50x = 155,865,716.38
  5. Step 5: Solve for x
    x = 155,865,716.38/14,296.50
  6. Step 6: Final answer
    x = 10,902.37

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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.