Home / 19,245.88-26,556.44-11,688.26

Finding the Fourth Proportional to 19,245.88, 26,556.44 and 11,688.26

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Solution

The fourth proportional to 19,245.88, 26,556.44 and 11,688.26 is: 16,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.88 : 26,556.44 = 11,688.26 : x
  2. Step 2: Convert to fraction form
    19,245.88/26,556.44 = 11,688.26/x
  3. Step 3: Cross multiply
    19,245.88x = 26,556.44 × 11,688.26
  4. Step 4: Simplify right side
    19,245.88x = 310,398,575.39
  5. Step 5: Solve for x
    x = 310,398,575.39/19,245.88
  6. Step 6: Final answer
    x = 16,128.05

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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.