Home / 18,515.18-25,550.44-10,556.93

Finding the Fourth Proportional to 18,515.18, 25,550.44 and 10,556.93

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Solution

The fourth proportional to 18,515.18, 25,550.44 and 10,556.93 is: 14,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.18 : 25,550.44 = 10,556.93 : x
  2. Step 2: Convert to fraction form
    18,515.18/25,550.44 = 10,556.93/x
  3. Step 3: Cross multiply
    18,515.18x = 25,550.44 × 10,556.93
  4. Step 4: Simplify right side
    18,515.18x = 269,734,244.03
  5. Step 5: Solve for x
    x = 269,734,244.03/18,515.18
  6. Step 6: Final answer
    x = 14,568.27

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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.