Home / 14,028.36-21,040.32-4,674.90

Finding the Fourth Proportional to 14,028.36, 21,040.32 and 4,674.90

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Solution

The fourth proportional to 14,028.36, 21,040.32 and 4,674.90 is: 7,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.36 : 21,040.32 = 4,674.90 : x
  2. Step 2: Convert to fraction form
    14,028.36/21,040.32 = 4,674.90/x
  3. Step 3: Cross multiply
    14,028.36x = 21,040.32 × 4,674.90
  4. Step 4: Simplify right side
    14,028.36x = 98,361,391.97
  5. Step 5: Solve for x
    x = 98,361,391.97/14,028.36
  6. Step 6: Final answer
    x = 7,011.61

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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.