Home / 19,556.56-26,992.72-11,603.39

Finding the Fourth Proportional to 19,556.56, 26,992.72 and 11,603.39

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Solution

The fourth proportional to 19,556.56, 26,992.72 and 11,603.39 is: 16,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.56 : 26,992.72 = 11,603.39 : x
  2. Step 2: Convert to fraction form
    19,556.56/26,992.72 = 11,603.39/x
  3. Step 3: Cross multiply
    19,556.56x = 26,992.72 × 11,603.39
  4. Step 4: Simplify right side
    19,556.56x = 313,207,095.79
  5. Step 5: Solve for x
    x = 313,207,095.79/19,556.56
  6. Step 6: Final answer
    x = 16,015.45

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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.