Home / 19,249.22-28,870.59-6,778.50

Finding the Fourth Proportional to 19,249.22, 28,870.59 and 6,778.50

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Solution

The fourth proportional to 19,249.22, 28,870.59 and 6,778.50 is: 10,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249.22 : 28,870.59 = 6,778.50 : x
  2. Step 2: Convert to fraction form
    19,249.22/28,870.59 = 6,778.50/x
  3. Step 3: Cross multiply
    19,249.22x = 28,870.59 × 6,778.50
  4. Step 4: Simplify right side
    19,249.22x = 195,699,294.32
  5. Step 5: Solve for x
    x = 195,699,294.32/19,249.22
  6. Step 6: Final answer
    x = 10,166.61

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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.