Home / 14,098.68-21,149.97-4,739.43

Finding the Fourth Proportional to 14,098.68, 21,149.97 and 4,739.43

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Solution

The fourth proportional to 14,098.68, 21,149.97 and 4,739.43 is: 7,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.68 : 21,149.97 = 4,739.43 : x
  2. Step 2: Convert to fraction form
    14,098.68/21,149.97 = 4,739.43/x
  3. Step 3: Cross multiply
    14,098.68x = 21,149.97 × 4,739.43
  4. Step 4: Simplify right side
    14,098.68x = 100,238,802.32
  5. Step 5: Solve for x
    x = 100,238,802.32/14,098.68
  6. Step 6: Final answer
    x = 7,109.80

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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.