Home / 18,099.46-27,153.44-5,618.84

Finding the Fourth Proportional to 18,099.46, 27,153.44 and 5,618.84

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Solution

The fourth proportional to 18,099.46, 27,153.44 and 5,618.84 is: 8,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.46 : 27,153.44 = 5,618.84 : x
  2. Step 2: Convert to fraction form
    18,099.46/27,153.44 = 5,618.84/x
  3. Step 3: Cross multiply
    18,099.46x = 27,153.44 × 5,618.84
  4. Step 4: Simplify right side
    18,099.46x = 152,570,806.72
  5. Step 5: Solve for x
    x = 152,570,806.72/18,099.46
  6. Step 6: Final answer
    x = 8,429.58

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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.