Home / 19,342.44-26,683.56-11,379.60

Finding the Fourth Proportional to 19,342.44, 26,683.56 and 11,379.60

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Solution

The fourth proportional to 19,342.44, 26,683.56 and 11,379.60 is: 15,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.44 : 26,683.56 = 11,379.60 : x
  2. Step 2: Convert to fraction form
    19,342.44/26,683.56 = 11,379.60/x
  3. Step 3: Cross multiply
    19,342.44x = 26,683.56 × 11,379.60
  4. Step 4: Simplify right side
    19,342.44x = 303,648,239.38
  5. Step 5: Solve for x
    x = 303,648,239.38/19,342.44
  6. Step 6: Final answer
    x = 15,698.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.