Home / 19,517.13-26,923.68-11,858.33

Finding the Fourth Proportional to 19,517.13, 26,923.68 and 11,858.33

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Solution

The fourth proportional to 19,517.13, 26,923.68 and 11,858.33 is: 16,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.13 : 26,923.68 = 11,858.33 : x
  2. Step 2: Convert to fraction form
    19,517.13/26,923.68 = 11,858.33/x
  3. Step 3: Cross multiply
    19,517.13x = 26,923.68 × 11,858.33
  4. Step 4: Simplify right side
    19,517.13x = 319,269,949.56
  5. Step 5: Solve for x
    x = 319,269,949.56/19,517.13
  6. Step 6: Final answer
    x = 16,358.45

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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.