Home / 18,743.33-25,865.09-10,245.38

Finding the Fourth Proportional to 18,743.33, 25,865.09 and 10,245.38

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Solution

The fourth proportional to 18,743.33, 25,865.09 and 10,245.38 is: 14,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.33 : 25,865.09 = 10,245.38 : x
  2. Step 2: Convert to fraction form
    18,743.33/25,865.09 = 10,245.38/x
  3. Step 3: Cross multiply
    18,743.33x = 25,865.09 × 10,245.38
  4. Step 4: Simplify right side
    18,743.33x = 264,997,701.40
  5. Step 5: Solve for x
    x = 264,997,701.40/18,743.33
  6. Step 6: Final answer
    x = 14,138.24

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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.