Home / 13,859.96-20,788.11-5,093.73

Finding the Fourth Proportional to 13,859.96, 20,788.11 and 5,093.73

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Solution

The fourth proportional to 13,859.96, 20,788.11 and 5,093.73 is: 7,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.96 : 20,788.11 = 5,093.73 : x
  2. Step 2: Convert to fraction form
    13,859.96/20,788.11 = 5,093.73/x
  3. Step 3: Cross multiply
    13,859.96x = 20,788.11 × 5,093.73
  4. Step 4: Simplify right side
    13,859.96x = 105,889,019.55
  5. Step 5: Solve for x
    x = 105,889,019.55/13,859.96
  6. Step 6: Final answer
    x = 7,639.93

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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.