Home / 19,489.36-26,893.32-11,530.04

Finding the Fourth Proportional to 19,489.36, 26,893.32 and 11,530.04

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Solution

The fourth proportional to 19,489.36, 26,893.32 and 11,530.04 is: 15,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.36 : 26,893.32 = 11,530.04 : x
  2. Step 2: Convert to fraction form
    19,489.36/26,893.32 = 11,530.04/x
  3. Step 3: Cross multiply
    19,489.36x = 26,893.32 × 11,530.04
  4. Step 4: Simplify right side
    19,489.36x = 310,081,055.33
  5. Step 5: Solve for x
    x = 310,081,055.33/19,489.36
  6. Step 6: Final answer
    x = 15,910.27

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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.