Home / 16,829.93-25,245.81-12,137.01

Finding the Fourth Proportional to 16,829.93, 25,245.81 and 12,137.01

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Solution

The fourth proportional to 16,829.93, 25,245.81 and 12,137.01 is: 18,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.93 : 25,245.81 = 12,137.01 : x
  2. Step 2: Convert to fraction form
    16,829.93/25,245.81 = 12,137.01/x
  3. Step 3: Cross multiply
    16,829.93x = 25,245.81 × 12,137.01
  4. Step 4: Simplify right side
    16,829.93x = 306,408,648.43
  5. Step 5: Solve for x
    x = 306,408,648.43/16,829.93
  6. Step 6: Final answer
    x = 18,206.18

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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.