Home / 13,648.75-20,476.37-4,414.75

Finding the Fourth Proportional to 13,648.75, 20,476.37 and 4,414.75

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Solution

The fourth proportional to 13,648.75, 20,476.37 and 4,414.75 is: 6,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.75 : 20,476.37 = 4,414.75 : x
  2. Step 2: Convert to fraction form
    13,648.75/20,476.37 = 4,414.75/x
  3. Step 3: Cross multiply
    13,648.75x = 20,476.37 × 4,414.75
  4. Step 4: Simplify right side
    13,648.75x = 90,398,054.46
  5. Step 5: Solve for x
    x = 90,398,054.46/13,648.75
  6. Step 6: Final answer
    x = 6,623.17

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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.