Home / 11,822.78-17,629.88-11,241.41

Finding the Fourth Proportional to 11,822.78, 17,629.88 and 11,241.41

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Solution

The fourth proportional to 11,822.78, 17,629.88 and 11,241.41 is: 16,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.78 : 17,629.88 = 11,241.41 : x
  2. Step 2: Convert to fraction form
    11,822.78/17,629.88 = 11,241.41/x
  3. Step 3: Cross multiply
    11,822.78x = 17,629.88 × 11,241.41
  4. Step 4: Simplify right side
    11,822.78x = 198,184,564.97
  5. Step 5: Solve for x
    x = 198,184,564.97/11,822.78
  6. Step 6: Final answer
    x = 16,762.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.