Home / 13,759.92-20,627.55-4,992.84

Finding the Fourth Proportional to 13,759.92, 20,627.55 and 4,992.84

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Solution

The fourth proportional to 13,759.92, 20,627.55 and 4,992.84 is: 7,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.92 : 20,627.55 = 4,992.84 : x
  2. Step 2: Convert to fraction form
    13,759.92/20,627.55 = 4,992.84/x
  3. Step 3: Cross multiply
    13,759.92x = 20,627.55 × 4,992.84
  4. Step 4: Simplify right side
    13,759.92x = 102,990,056.74
  5. Step 5: Solve for x
    x = 102,990,056.74/13,759.92
  6. Step 6: Final answer
    x = 7,484.79

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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.