Home / 19,556.51-26,991.70-11,603.12

Finding the Fourth Proportional to 19,556.51, 26,991.70 and 11,603.12

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Solution

The fourth proportional to 19,556.51, 26,991.70 and 11,603.12 is: 16,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.51 : 26,991.70 = 11,603.12 : x
  2. Step 2: Convert to fraction form
    19,556.51/26,991.70 = 11,603.12/x
  3. Step 3: Cross multiply
    19,556.51x = 26,991.70 × 11,603.12
  4. Step 4: Simplify right side
    19,556.51x = 313,187,770.14
  5. Step 5: Solve for x
    x = 313,187,770.14/19,556.51
  6. Step 6: Final answer
    x = 16,014.51

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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.