Home / 18,626.52-25,704.09-10,243.02

Finding the Fourth Proportional to 18,626.52, 25,704.09 and 10,243.02

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Solution

The fourth proportional to 18,626.52, 25,704.09 and 10,243.02 is: 14,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.52 : 25,704.09 = 10,243.02 : x
  2. Step 2: Convert to fraction form
    18,626.52/25,704.09 = 10,243.02/x
  3. Step 3: Cross multiply
    18,626.52x = 25,704.09 × 10,243.02
  4. Step 4: Simplify right side
    18,626.52x = 263,287,507.95
  5. Step 5: Solve for x
    x = 263,287,507.95/18,626.52
  6. Step 6: Final answer
    x = 14,135.09

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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.