Home / 19,220.34-28,843.34-6,740.36

Finding the Fourth Proportional to 19,220.34, 28,843.34 and 6,740.36

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Solution

The fourth proportional to 19,220.34, 28,843.34 and 6,740.36 is: 10,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.34 : 28,843.34 = 6,740.36 : x
  2. Step 2: Convert to fraction form
    19,220.34/28,843.34 = 6,740.36/x
  3. Step 3: Cross multiply
    19,220.34x = 28,843.34 × 6,740.36
  4. Step 4: Simplify right side
    19,220.34x = 194,414,317.28
  5. Step 5: Solve for x
    x = 194,414,317.28/19,220.34
  6. Step 6: Final answer
    x = 10,115.03

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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.