Home / 18,804.60-28,208.31-6,324.66

Finding the Fourth Proportional to 18,804.60, 28,208.31 and 6,324.66

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Solution

The fourth proportional to 18,804.60, 28,208.31 and 6,324.66 is: 9,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.60 : 28,208.31 = 6,324.66 : x
  2. Step 2: Convert to fraction form
    18,804.60/28,208.31 = 6,324.66/x
  3. Step 3: Cross multiply
    18,804.60x = 28,208.31 × 6,324.66
  4. Step 4: Simplify right side
    18,804.60x = 178,407,969.92
  5. Step 5: Solve for x
    x = 178,407,969.92/18,804.60
  6. Step 6: Final answer
    x = 9,487.46

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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.