Home / 20,117.04-30,163.76-6,072.84

Finding the Fourth Proportional to 20,117.04, 30,163.76 and 6,072.84

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Solution

The fourth proportional to 20,117.04, 30,163.76 and 6,072.84 is: 9,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.04 : 30,163.76 = 6,072.84 : x
  2. Step 2: Convert to fraction form
    20,117.04/30,163.76 = 6,072.84/x
  3. Step 3: Cross multiply
    20,117.04x = 30,163.76 × 6,072.84
  4. Step 4: Simplify right side
    20,117.04x = 183,179,688.28
  5. Step 5: Solve for x
    x = 183,179,688.28/20,117.04
  6. Step 6: Final answer
    x = 9,105.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.