Home / 19,795.16-29,694.24-6,647.60

Finding the Fourth Proportional to 19,795.16, 29,694.24 and 6,647.60

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Solution

The fourth proportional to 19,795.16, 29,694.24 and 6,647.60 is: 9,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.16 : 29,694.24 = 6,647.60 : x
  2. Step 2: Convert to fraction form
    19,795.16/29,694.24 = 6,647.60/x
  3. Step 3: Cross multiply
    19,795.16x = 29,694.24 × 6,647.60
  4. Step 4: Simplify right side
    19,795.16x = 197,395,429.82
  5. Step 5: Solve for x
    x = 197,395,429.82/19,795.16
  6. Step 6: Final answer
    x = 9,971.90

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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.