Home / 13,627.92-20,450.55-4,862.64

Finding the Fourth Proportional to 13,627.92, 20,450.55 and 4,862.64

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Solution

The fourth proportional to 13,627.92, 20,450.55 and 4,862.64 is: 7,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.92 : 20,450.55 = 4,862.64 : x
  2. Step 2: Convert to fraction form
    13,627.92/20,450.55 = 4,862.64/x
  3. Step 3: Cross multiply
    13,627.92x = 20,450.55 × 4,862.64
  4. Step 4: Simplify right side
    13,627.92x = 99,443,662.45
  5. Step 5: Solve for x
    x = 99,443,662.45/13,627.92
  6. Step 6: Final answer
    x = 7,297.05

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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.