Home / 13,754.05-20,627.75-6,351.39

Finding the Fourth Proportional to 13,754.05, 20,627.75 and 6,351.39

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Solution

The fourth proportional to 13,754.05, 20,627.75 and 6,351.39 is: 9,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.05 : 20,627.75 = 6,351.39 : x
  2. Step 2: Convert to fraction form
    13,754.05/20,627.75 = 6,351.39/x
  3. Step 3: Cross multiply
    13,754.05x = 20,627.75 × 6,351.39
  4. Step 4: Simplify right side
    13,754.05x = 131,014,900.95
  5. Step 5: Solve for x
    x = 131,014,900.95/13,754.05
  6. Step 6: Final answer
    x = 9,525.55

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1.5x scale

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.