Home / 19,556.31-26,992.37-11,603.15

Finding the Fourth Proportional to 19,556.31, 26,992.37 and 11,603.15

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Solution

The fourth proportional to 19,556.31, 26,992.37 and 11,603.15 is: 16,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.31 : 26,992.37 = 11,603.15 : x
  2. Step 2: Convert to fraction form
    19,556.31/26,992.37 = 11,603.15/x
  3. Step 3: Cross multiply
    19,556.31x = 26,992.37 × 11,603.15
  4. Step 4: Simplify right side
    19,556.31x = 313,196,383.00
  5. Step 5: Solve for x
    x = 313,196,383.00/19,556.31
  6. Step 6: Final answer
    x = 16,015.11

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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.