Home / 18,453.36-25,469.80-12,076.26

Finding the Fourth Proportional to 18,453.36, 25,469.80 and 12,076.26

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Solution

The fourth proportional to 18,453.36, 25,469.80 and 12,076.26 is: 16,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.36 : 25,469.80 = 12,076.26 : x
  2. Step 2: Convert to fraction form
    18,453.36/25,469.80 = 12,076.26/x
  3. Step 3: Cross multiply
    18,453.36x = 25,469.80 × 12,076.26
  4. Step 4: Simplify right side
    18,453.36x = 307,579,874.11
  5. Step 5: Solve for x
    x = 307,579,874.11/18,453.36
  6. Step 6: Final answer
    x = 16,667.96

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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.