Home / 18,976.69-28,464.76-5,828.77

Finding the Fourth Proportional to 18,976.69, 28,464.76 and 5,828.77

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Solution

The fourth proportional to 18,976.69, 28,464.76 and 5,828.77 is: 8,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.69 : 28,464.76 = 5,828.77 : x
  2. Step 2: Convert to fraction form
    18,976.69/28,464.76 = 5,828.77/x
  3. Step 3: Cross multiply
    18,976.69x = 28,464.76 × 5,828.77
  4. Step 4: Simplify right side
    18,976.69x = 165,914,539.15
  5. Step 5: Solve for x
    x = 165,914,539.15/18,976.69
  6. Step 6: Final answer
    x = 8,743.07

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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.