Home / 19,489.01-26,883.09-11,936.57

Finding the Fourth Proportional to 19,489.01, 26,883.09 and 11,936.57

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Solution

The fourth proportional to 19,489.01, 26,883.09 and 11,936.57 is: 16,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.01 : 26,883.09 = 11,936.57 : x
  2. Step 2: Convert to fraction form
    19,489.01/26,883.09 = 11,936.57/x
  3. Step 3: Cross multiply
    19,489.01x = 26,883.09 × 11,936.57
  4. Step 4: Simplify right side
    19,489.01x = 320,891,751.19
  5. Step 5: Solve for x
    x = 320,891,751.19/19,489.01
  6. Step 6: Final answer
    x = 16,465.27

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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.