Home / 19,576.32-29,364.34-4,785.11

Finding the Fourth Proportional to 19,576.32, 29,364.34 and 4,785.11

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Solution

The fourth proportional to 19,576.32, 29,364.34 and 4,785.11 is: 7,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,576.32 : 29,364.34 = 4,785.11 : x
  2. Step 2: Convert to fraction form
    19,576.32/29,364.34 = 4,785.11/x
  3. Step 3: Cross multiply
    19,576.32x = 29,364.34 × 4,785.11
  4. Step 4: Simplify right side
    19,576.32x = 140,511,596.98
  5. Step 5: Solve for x
    x = 140,511,596.98/19,576.32
  6. Step 6: Final answer
    x = 7,177.63

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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.