Home / 19,556.81-26,993.06-11,603.64

Finding the Fourth Proportional to 19,556.81, 26,993.06 and 11,603.64

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Solution

The fourth proportional to 19,556.81, 26,993.06 and 11,603.64 is: 16,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.81 : 26,993.06 = 11,603.64 : x
  2. Step 2: Convert to fraction form
    19,556.81/26,993.06 = 11,603.64/x
  3. Step 3: Cross multiply
    19,556.81x = 26,993.06 × 11,603.64
  4. Step 4: Simplify right side
    19,556.81x = 313,217,847.23
  5. Step 5: Solve for x
    x = 313,217,847.23/19,556.81
  6. Step 6: Final answer
    x = 16,015.80

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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.