Home / 18,039.60-24,894.18-10,081.80

Finding the Fourth Proportional to 18,039.60, 24,894.18 and 10,081.80

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Solution

The fourth proportional to 18,039.60, 24,894.18 and 10,081.80 is: 13,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.60 : 24,894.18 = 10,081.80 : x
  2. Step 2: Convert to fraction form
    18,039.60/24,894.18 = 10,081.80/x
  3. Step 3: Cross multiply
    18,039.60x = 24,894.18 × 10,081.80
  4. Step 4: Simplify right side
    18,039.60x = 250,978,143.92
  5. Step 5: Solve for x
    x = 250,978,143.92/18,039.60
  6. Step 6: Final answer
    x = 13,912.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.