Home / 18,698.42-28,039.26-5,546.18

Finding the Fourth Proportional to 18,698.42, 28,039.26 and 5,546.18

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Solution

The fourth proportional to 18,698.42, 28,039.26 and 5,546.18 is: 8,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.42 : 28,039.26 = 5,546.18 : x
  2. Step 2: Convert to fraction form
    18,698.42/28,039.26 = 5,546.18/x
  3. Step 3: Cross multiply
    18,698.42x = 28,039.26 × 5,546.18
  4. Step 4: Simplify right side
    18,698.42x = 155,510,783.03
  5. Step 5: Solve for x
    x = 155,510,783.03/18,698.42
  6. Step 6: Final answer
    x = 8,316.79

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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.