Home / 18,728.04-28,096.86-7,044.60

Finding the Fourth Proportional to 18,728.04, 28,096.86 and 7,044.60

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Solution

The fourth proportional to 18,728.04, 28,096.86 and 7,044.60 is: 10,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.04 : 28,096.86 = 7,044.60 : x
  2. Step 2: Convert to fraction form
    18,728.04/28,096.86 = 7,044.60/x
  3. Step 3: Cross multiply
    18,728.04x = 28,096.86 × 7,044.60
  4. Step 4: Simplify right side
    18,728.04x = 197,931,139.96
  5. Step 5: Solve for x
    x = 197,931,139.96/18,728.04
  6. Step 6: Final answer
    x = 10,568.71

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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.