Home / 22,072.36-30,464.60-13,581.68

Finding the Fourth Proportional to 22,072.36, 30,464.60 and 13,581.68

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Solution

The fourth proportional to 22,072.36, 30,464.60 and 13,581.68 is: 18,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,072.36 : 30,464.60 = 13,581.68 : x
  2. Step 2: Convert to fraction form
    22,072.36/30,464.60 = 13,581.68/x
  3. Step 3: Cross multiply
    22,072.36x = 30,464.60 × 13,581.68
  4. Step 4: Simplify right side
    22,072.36x = 413,760,448.53
  5. Step 5: Solve for x
    x = 413,760,448.53/22,072.36
  6. Step 6: Final answer
    x = 18,745.64

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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.