Home / 19,863.66-29,795.46-5,072.58

Finding the Fourth Proportional to 19,863.66, 29,795.46 and 5,072.58

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Solution

The fourth proportional to 19,863.66, 29,795.46 and 5,072.58 is: 7,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.66 : 29,795.46 = 5,072.58 : x
  2. Step 2: Convert to fraction form
    19,863.66/29,795.46 = 5,072.58/x
  3. Step 3: Cross multiply
    19,863.66x = 29,795.46 × 5,072.58
  4. Step 4: Simplify right side
    19,863.66x = 151,139,854.49
  5. Step 5: Solve for x
    x = 151,139,854.49/19,863.66
  6. Step 6: Final answer
    x = 7,608.86

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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.