Home / 18,823.05-28,237.18-6,346.64

Finding the Fourth Proportional to 18,823.05, 28,237.18 and 6,346.64

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Solution

The fourth proportional to 18,823.05, 28,237.18 and 6,346.64 is: 9,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.05 : 28,237.18 = 6,346.64 : x
  2. Step 2: Convert to fraction form
    18,823.05/28,237.18 = 6,346.64/x
  3. Step 3: Cross multiply
    18,823.05x = 28,237.18 × 6,346.64
  4. Step 4: Simplify right side
    18,823.05x = 179,211,270.80
  5. Step 5: Solve for x
    x = 179,211,270.80/18,823.05
  6. Step 6: Final answer
    x = 9,520.84

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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.