Home / 13,900.88-20,853.48-4,669.04

Finding the Fourth Proportional to 13,900.88, 20,853.48 and 4,669.04

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Solution

The fourth proportional to 13,900.88, 20,853.48 and 4,669.04 is: 7,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.88 : 20,853.48 = 4,669.04 : x
  2. Step 2: Convert to fraction form
    13,900.88/20,853.48 = 4,669.04/x
  3. Step 3: Cross multiply
    13,900.88x = 20,853.48 × 4,669.04
  4. Step 4: Simplify right side
    13,900.88x = 97,365,627.99
  5. Step 5: Solve for x
    x = 97,365,627.99/13,900.88
  6. Step 6: Final answer
    x = 7,004.28

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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.