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Finding the Fourth Proportional to 14,819.10, 22,183.29 and 13,860.06

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Solution

The fourth proportional to 14,819.10, 22,183.29 and 13,860.06 is: 20,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.10 : 22,183.29 = 13,860.06 : x
  2. Step 2: Convert to fraction form
    14,819.10/22,183.29 = 13,860.06/x
  3. Step 3: Cross multiply
    14,819.10x = 22,183.29 × 13,860.06
  4. Step 4: Simplify right side
    14,819.10x = 307,461,730.40
  5. Step 5: Solve for x
    x = 307,461,730.40/14,819.10
  6. Step 6: Final answer
    x = 20,747.67

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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.