Home / 13,748.34-20,625.54-5,850.43

Finding the Fourth Proportional to 13,748.34, 20,625.54 and 5,850.43

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Solution

The fourth proportional to 13,748.34, 20,625.54 and 5,850.43 is: 8,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.34 : 20,625.54 = 5,850.43 : x
  2. Step 2: Convert to fraction form
    13,748.34/20,625.54 = 5,850.43/x
  3. Step 3: Cross multiply
    13,748.34x = 20,625.54 × 5,850.43
  4. Step 4: Simplify right side
    13,748.34x = 120,668,277.98
  5. Step 5: Solve for x
    x = 120,668,277.98/13,748.34
  6. Step 6: Final answer
    x = 8,776.93

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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.