Home / 14,640.20-21,962.43-4,777.05

Finding the Fourth Proportional to 14,640.20, 21,962.43 and 4,777.05

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Solution

The fourth proportional to 14,640.20, 21,962.43 and 4,777.05 is: 7,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.20 : 21,962.43 = 4,777.05 : x
  2. Step 2: Convert to fraction form
    14,640.20/21,962.43 = 4,777.05/x
  3. Step 3: Cross multiply
    14,640.20x = 21,962.43 × 4,777.05
  4. Step 4: Simplify right side
    14,640.20x = 104,915,626.23
  5. Step 5: Solve for x
    x = 104,915,626.23/14,640.20
  6. Step 6: Final answer
    x = 7,166.27

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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.