Home / 18,536.85-25,578.39-10,578.60

Finding the Fourth Proportional to 18,536.85, 25,578.39 and 10,578.60

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Solution

The fourth proportional to 18,536.85, 25,578.39 and 10,578.60 is: 14,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.85 : 25,578.39 = 10,578.60 : x
  2. Step 2: Convert to fraction form
    18,536.85/25,578.39 = 10,578.60/x
  3. Step 3: Cross multiply
    18,536.85x = 25,578.39 × 10,578.60
  4. Step 4: Simplify right side
    18,536.85x = 270,583,556.45
  5. Step 5: Solve for x
    x = 270,583,556.45/18,536.85
  6. Step 6: Final answer
    x = 14,597.06

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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.