Home / 26,611.29-39,917.12-11,816.19

Finding the Fourth Proportional to 26,611.29, 39,917.12 and 11,816.19

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Solution

The fourth proportional to 26,611.29, 39,917.12 and 11,816.19 is: 17,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.29 : 39,917.12 = 11,816.19 : x
  2. Step 2: Convert to fraction form
    26,611.29/39,917.12 = 11,816.19/x
  3. Step 3: Cross multiply
    26,611.29x = 39,917.12 × 11,816.19
  4. Step 4: Simplify right side
    26,611.29x = 471,668,215.09
  5. Step 5: Solve for x
    x = 471,668,215.09/26,611.29
  6. Step 6: Final answer
    x = 17,724.36

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1.5x scale

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.