Home / 19,318.86-26,662.26-11,769.60

Finding the Fourth Proportional to 19,318.86, 26,662.26 and 11,769.60

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Solution

The fourth proportional to 19,318.86, 26,662.26 and 11,769.60 is: 16,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.86 : 26,662.26 = 11,769.60 : x
  2. Step 2: Convert to fraction form
    19,318.86/26,662.26 = 11,769.60/x
  3. Step 3: Cross multiply
    19,318.86x = 26,662.26 × 11,769.60
  4. Step 4: Simplify right side
    19,318.86x = 313,804,135.30
  5. Step 5: Solve for x
    x = 313,804,135.30/19,318.86
  6. Step 6: Final answer
    x = 16,243.41

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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.