Home / 18,730.04-28,099.86-7,046.60

Finding the Fourth Proportional to 18,730.04, 28,099.86 and 7,046.60

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Solution

The fourth proportional to 18,730.04, 28,099.86 and 7,046.60 is: 10,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.04 : 28,099.86 = 7,046.60 : x
  2. Step 2: Convert to fraction form
    18,730.04/28,099.86 = 7,046.60/x
  3. Step 3: Cross multiply
    18,730.04x = 28,099.86 × 7,046.60
  4. Step 4: Simplify right side
    18,730.04x = 198,008,473.48
  5. Step 5: Solve for x
    x = 198,008,473.48/18,730.04
  6. Step 6: Final answer
    x = 10,571.71

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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.