Home / 18,245.67-25,180.83-11,075.02

Finding the Fourth Proportional to 18,245.67, 25,180.83 and 11,075.02

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Solution

The fourth proportional to 18,245.67, 25,180.83 and 11,075.02 is: 15,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.67 : 25,180.83 = 11,075.02 : x
  2. Step 2: Convert to fraction form
    18,245.67/25,180.83 = 11,075.02/x
  3. Step 3: Cross multiply
    18,245.67x = 25,180.83 × 11,075.02
  4. Step 4: Simplify right side
    18,245.67x = 278,878,195.87
  5. Step 5: Solve for x
    x = 278,878,195.87/18,245.67
  6. Step 6: Final answer
    x = 15,284.62

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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.