Home / 14,100.04-21,145.20-4,738.60

Finding the Fourth Proportional to 14,100.04, 21,145.20 and 4,738.60

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Solution

The fourth proportional to 14,100.04, 21,145.20 and 4,738.60 is: 7,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.04 : 21,145.20 = 4,738.60 : x
  2. Step 2: Convert to fraction form
    14,100.04/21,145.20 = 4,738.60/x
  3. Step 3: Cross multiply
    14,100.04x = 21,145.20 × 4,738.60
  4. Step 4: Simplify right side
    14,100.04x = 100,198,644.72
  5. Step 5: Solve for x
    x = 100,198,644.72/14,100.04
  6. Step 6: Final answer
    x = 7,106.27

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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.