Home / 20,250.39-27,946.41-11,297.89

Finding the Fourth Proportional to 20,250.39, 27,946.41 and 11,297.89

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Solution

The fourth proportional to 20,250.39, 27,946.41 and 11,297.89 is: 15,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.39 : 27,946.41 = 11,297.89 : x
  2. Step 2: Convert to fraction form
    20,250.39/27,946.41 = 11,297.89/x
  3. Step 3: Cross multiply
    20,250.39x = 27,946.41 × 11,297.89
  4. Step 4: Simplify right side
    20,250.39x = 315,735,466.07
  5. Step 5: Solve for x
    x = 315,735,466.07/20,250.39
  6. Step 6: Final answer
    x = 15,591.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.