Home / 16,850.70-25,281.18-11,929.86

Finding the Fourth Proportional to 16,850.70, 25,281.18 and 11,929.86

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Solution

The fourth proportional to 16,850.70, 25,281.18 and 11,929.86 is: 17,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.70 : 25,281.18 = 11,929.86 : x
  2. Step 2: Convert to fraction form
    16,850.70/25,281.18 = 11,929.86/x
  3. Step 3: Cross multiply
    16,850.70x = 25,281.18 × 11,929.86
  4. Step 4: Simplify right side
    16,850.70x = 301,600,938.03
  5. Step 5: Solve for x
    x = 301,600,938.03/16,850.70
  6. Step 6: Final answer
    x = 17,898.42

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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.