Home / 19,328.44-26,664.24-11,365.60

Finding the Fourth Proportional to 19,328.44, 26,664.24 and 11,365.60

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Solution

The fourth proportional to 19,328.44, 26,664.24 and 11,365.60 is: 15,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.44 : 26,664.24 = 11,365.60 : x
  2. Step 2: Convert to fraction form
    19,328.44/26,664.24 = 11,365.60/x
  3. Step 3: Cross multiply
    19,328.44x = 26,664.24 × 11,365.60
  4. Step 4: Simplify right side
    19,328.44x = 303,055,086.14
  5. Step 5: Solve for x
    x = 303,055,086.14/19,328.44
  6. Step 6: Final answer
    x = 15,679.23

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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.