Home / 18,072.96-24,940.65-10,115.22

Finding the Fourth Proportional to 18,072.96, 24,940.65 and 10,115.22

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Solution

The fourth proportional to 18,072.96, 24,940.65 and 10,115.22 is: 13,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.96 : 24,940.65 = 10,115.22 : x
  2. Step 2: Convert to fraction form
    18,072.96/24,940.65 = 10,115.22/x
  3. Step 3: Cross multiply
    18,072.96x = 24,940.65 × 10,115.22
  4. Step 4: Simplify right side
    18,072.96x = 252,280,161.69
  5. Step 5: Solve for x
    x = 252,280,161.69/18,072.96
  6. Step 6: Final answer
    x = 13,958.98

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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.