Home / 20,382.64-30,576.99-7,233.91

Finding the Fourth Proportional to 20,382.64, 30,576.99 and 7,233.91

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Solution

The fourth proportional to 20,382.64, 30,576.99 and 7,233.91 is: 10,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.64 : 30,576.99 = 7,233.91 : x
  2. Step 2: Convert to fraction form
    20,382.64/30,576.99 = 7,233.91/x
  3. Step 3: Cross multiply
    20,382.64x = 30,576.99 × 7,233.91
  4. Step 4: Simplify right side
    20,382.64x = 221,191,144.42
  5. Step 5: Solve for x
    x = 221,191,144.42/20,382.64
  6. Step 6: Final answer
    x = 10,851.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.