Home / 18,576.22-25,635.51-10,192.78

Finding the Fourth Proportional to 18,576.22, 25,635.51 and 10,192.78

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Solution

The fourth proportional to 18,576.22, 25,635.51 and 10,192.78 is: 14,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.22 : 25,635.51 = 10,192.78 : x
  2. Step 2: Convert to fraction form
    18,576.22/25,635.51 = 10,192.78/x
  3. Step 3: Cross multiply
    18,576.22x = 25,635.51 × 10,192.78
  4. Step 4: Simplify right side
    18,576.22x = 261,297,113.62
  5. Step 5: Solve for x
    x = 261,297,113.62/18,576.22
  6. Step 6: Final answer
    x = 14,066.22

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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.