Home / 19,408.50-29,106.56-6,257.81

Finding the Fourth Proportional to 19,408.50, 29,106.56 and 6,257.81

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Solution

The fourth proportional to 19,408.50, 29,106.56 and 6,257.81 is: 9,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.50 : 29,106.56 = 6,257.81 : x
  2. Step 2: Convert to fraction form
    19,408.50/29,106.56 = 6,257.81/x
  3. Step 3: Cross multiply
    19,408.50x = 29,106.56 × 6,257.81
  4. Step 4: Simplify right side
    19,408.50x = 182,143,145.41
  5. Step 5: Solve for x
    x = 182,143,145.41/19,408.50
  6. Step 6: Final answer
    x = 9,384.71

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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.