Home / 13,774.75-20,663.48-4,412.41

Finding the Fourth Proportional to 13,774.75, 20,663.48 and 4,412.41

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Solution

The fourth proportional to 13,774.75, 20,663.48 and 4,412.41 is: 6,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.75 : 20,663.48 = 4,412.41 : x
  2. Step 2: Convert to fraction form
    13,774.75/20,663.48 = 4,412.41/x
  3. Step 3: Cross multiply
    13,774.75x = 20,663.48 × 4,412.41
  4. Step 4: Simplify right side
    13,774.75x = 91,175,705.16
  5. Step 5: Solve for x
    x = 91,175,705.16/13,774.75
  6. Step 6: Final answer
    x = 6,619.05

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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.