Home / 18,160.36-25,063.11-12,204.43

Finding the Fourth Proportional to 18,160.36, 25,063.11 and 12,204.43

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Solution

The fourth proportional to 18,160.36, 25,063.11 and 12,204.43 is: 16,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.36 : 25,063.11 = 12,204.43 : x
  2. Step 2: Convert to fraction form
    18,160.36/25,063.11 = 12,204.43/x
  3. Step 3: Cross multiply
    18,160.36x = 25,063.11 × 12,204.43
  4. Step 4: Simplify right side
    18,160.36x = 305,880,971.58
  5. Step 5: Solve for x
    x = 305,880,971.58/18,160.36
  6. Step 6: Final answer
    x = 16,843.33

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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.