Home / 19,410.67-29,122.16-6,930.43

Finding the Fourth Proportional to 19,410.67, 29,122.16 and 6,930.43

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Solution

The fourth proportional to 19,410.67, 29,122.16 and 6,930.43 is: 10,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.67 : 29,122.16 = 6,930.43 : x
  2. Step 2: Convert to fraction form
    19,410.67/29,122.16 = 6,930.43/x
  3. Step 3: Cross multiply
    19,410.67x = 29,122.16 × 6,930.43
  4. Step 4: Simplify right side
    19,410.67x = 201,829,091.33
  5. Step 5: Solve for x
    x = 201,829,091.33/19,410.67
  6. Step 6: Final answer
    x = 10,397.84

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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.