Home / 12,351.67-18,529.43-4,029.76

Finding the Fourth Proportional to 12,351.67, 18,529.43 and 4,029.76

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Solution

The fourth proportional to 12,351.67, 18,529.43 and 4,029.76 is: 6,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.67 : 18,529.43 = 4,029.76 : x
  2. Step 2: Convert to fraction form
    12,351.67/18,529.43 = 4,029.76/x
  3. Step 3: Cross multiply
    12,351.67x = 18,529.43 × 4,029.76
  4. Step 4: Simplify right side
    12,351.67x = 74,669,155.84
  5. Step 5: Solve for x
    x = 74,669,155.84/12,351.67
  6. Step 6: Final answer
    x = 6,045.27

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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.