Home / 14,124.60-21,183.66-4,263.84

Finding the Fourth Proportional to 14,124.60, 21,183.66 and 4,263.84

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Solution

The fourth proportional to 14,124.60, 21,183.66 and 4,263.84 is: 6,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.60 : 21,183.66 = 4,263.84 : x
  2. Step 2: Convert to fraction form
    14,124.60/21,183.66 = 4,263.84/x
  3. Step 3: Cross multiply
    14,124.60x = 21,183.66 × 4,263.84
  4. Step 4: Simplify right side
    14,124.60x = 90,323,736.85
  5. Step 5: Solve for x
    x = 90,323,736.85/14,124.60
  6. Step 6: Final answer
    x = 6,394.78

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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.