Home / 19,682.65-29,524.20-4,891.60

Finding the Fourth Proportional to 19,682.65, 29,524.20 and 4,891.60

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Solution

The fourth proportional to 19,682.65, 29,524.20 and 4,891.60 is: 7,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.65 : 29,524.20 = 4,891.60 : x
  2. Step 2: Convert to fraction form
    19,682.65/29,524.20 = 4,891.60/x
  3. Step 3: Cross multiply
    19,682.65x = 29,524.20 × 4,891.60
  4. Step 4: Simplify right side
    19,682.65x = 144,420,576.72
  5. Step 5: Solve for x
    x = 144,420,576.72/19,682.65
  6. Step 6: Final answer
    x = 7,337.46

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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.