Home / 18,514.49-25,550.10-10,556.64

Finding the Fourth Proportional to 18,514.49, 25,550.10 and 10,556.64

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Solution

The fourth proportional to 18,514.49, 25,550.10 and 10,556.64 is: 14,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.49 : 25,550.10 = 10,556.64 : x
  2. Step 2: Convert to fraction form
    18,514.49/25,550.10 = 10,556.64/x
  3. Step 3: Cross multiply
    18,514.49x = 25,550.10 × 10,556.64
  4. Step 4: Simplify right side
    18,514.49x = 269,723,207.66
  5. Step 5: Solve for x
    x = 269,723,207.66/18,514.49
  6. Step 6: Final answer
    x = 14,568.23

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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.