Home / 19,280.97-28,918.19-6,798.06

Finding the Fourth Proportional to 19,280.97, 28,918.19 and 6,798.06

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Solution

The fourth proportional to 19,280.97, 28,918.19 and 6,798.06 is: 10,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.97 : 28,918.19 = 6,798.06 : x
  2. Step 2: Convert to fraction form
    19,280.97/28,918.19 = 6,798.06/x
  3. Step 3: Cross multiply
    19,280.97x = 28,918.19 × 6,798.06
  4. Step 4: Simplify right side
    19,280.97x = 196,587,556.72
  5. Step 5: Solve for x
    x = 196,587,556.72/19,280.97
  6. Step 6: Final answer
    x = 10,195.94

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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.