Home / 19,188.80-28,785.82-6,705.93

Finding the Fourth Proportional to 19,188.80, 28,785.82 and 6,705.93

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Solution

The fourth proportional to 19,188.80, 28,785.82 and 6,705.93 is: 10,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.80 : 28,785.82 = 6,705.93 : x
  2. Step 2: Convert to fraction form
    19,188.80/28,785.82 = 6,705.93/x
  3. Step 3: Cross multiply
    19,188.80x = 28,785.82 × 6,705.93
  4. Step 4: Simplify right side
    19,188.80x = 193,035,585.84
  5. Step 5: Solve for x
    x = 193,035,585.84/19,188.80
  6. Step 6: Final answer
    x = 10,059.81

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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.