Home / 19,412.10-29,100.33-6,257.70

Finding the Fourth Proportional to 19,412.10, 29,100.33 and 6,257.70

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Solution

The fourth proportional to 19,412.10, 29,100.33 and 6,257.70 is: 9,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.10 : 29,100.33 = 6,257.70 : x
  2. Step 2: Convert to fraction form
    19,412.10/29,100.33 = 6,257.70/x
  3. Step 3: Cross multiply
    19,412.10x = 29,100.33 × 6,257.70
  4. Step 4: Simplify right side
    19,412.10x = 182,101,135.04
  5. Step 5: Solve for x
    x = 182,101,135.04/19,412.10
  6. Step 6: Final answer
    x = 9,380.81

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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.