Home / 16,722.56-25,083.94-4,242.61

Finding the Fourth Proportional to 16,722.56, 25,083.94 and 4,242.61

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Solution

The fourth proportional to 16,722.56, 25,083.94 and 4,242.61 is: 6,363.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.56 : 25,083.94 = 4,242.61 : x
  2. Step 2: Convert to fraction form
    16,722.56/25,083.94 = 4,242.61/x
  3. Step 3: Cross multiply
    16,722.56x = 25,083.94 × 4,242.61
  4. Step 4: Simplify right side
    16,722.56x = 106,421,374.68
  5. Step 5: Solve for x
    x = 106,421,374.68/16,722.56
  6. Step 6: Final answer
    x = 6,363.94

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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.