Home / 19,556.18-26,986.80-11,593.64

Finding the Fourth Proportional to 19,556.18, 26,986.80 and 11,593.64

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Solution

The fourth proportional to 19,556.18, 26,986.80 and 11,593.64 is: 15,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.18 : 26,986.80 = 11,593.64 : x
  2. Step 2: Convert to fraction form
    19,556.18/26,986.80 = 11,593.64/x
  3. Step 3: Cross multiply
    19,556.18x = 26,986.80 × 11,593.64
  4. Step 4: Simplify right side
    19,556.18x = 312,875,243.95
  5. Step 5: Solve for x
    x = 312,875,243.95/19,556.18
  6. Step 6: Final answer
    x = 15,998.79

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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.