Home / 19,185.36-28,778.10-6,705.33

Finding the Fourth Proportional to 19,185.36, 28,778.10 and 6,705.33

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Solution

The fourth proportional to 19,185.36, 28,778.10 and 6,705.33 is: 10,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.36 : 28,778.10 = 6,705.33 : x
  2. Step 2: Convert to fraction form
    19,185.36/28,778.10 = 6,705.33/x
  3. Step 3: Cross multiply
    19,185.36x = 28,778.10 × 6,705.33
  4. Step 4: Simplify right side
    19,185.36x = 192,966,657.27
  5. Step 5: Solve for x
    x = 192,966,657.27/19,185.36
  6. Step 6: Final answer
    x = 10,058.02

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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.