Home / 18,481.41-25,496.10-12,114.81

Finding the Fourth Proportional to 18,481.41, 25,496.10 and 12,114.81

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Solution

The fourth proportional to 18,481.41, 25,496.10 and 12,114.81 is: 16,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.41 : 25,496.10 = 12,114.81 : x
  2. Step 2: Convert to fraction form
    18,481.41/25,496.10 = 12,114.81/x
  3. Step 3: Cross multiply
    18,481.41x = 25,496.10 × 12,114.81
  4. Step 4: Simplify right side
    18,481.41x = 308,880,407.24
  5. Step 5: Solve for x
    x = 308,880,407.24/18,481.41
  6. Step 6: Final answer
    x = 16,713.03

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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.