Home / 13,364.75-20,047.14-3,504.89

Finding the Fourth Proportional to 13,364.75, 20,047.14 and 3,504.89

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Solution

The fourth proportional to 13,364.75, 20,047.14 and 3,504.89 is: 5,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.75 : 20,047.14 = 3,504.89 : x
  2. Step 2: Convert to fraction form
    13,364.75/20,047.14 = 3,504.89/x
  3. Step 3: Cross multiply
    13,364.75x = 20,047.14 × 3,504.89
  4. Step 4: Simplify right side
    13,364.75x = 70,263,070.63
  5. Step 5: Solve for x
    x = 70,263,070.63/13,364.75
  6. Step 6: Final answer
    x = 5,257.34

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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.