Home / 19,893.75-27,453.60-10,941.40

Finding the Fourth Proportional to 19,893.75, 27,453.60 and 10,941.40

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Solution

The fourth proportional to 19,893.75, 27,453.60 and 10,941.40 is: 15,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.75 : 27,453.60 = 10,941.40 : x
  2. Step 2: Convert to fraction form
    19,893.75/27,453.60 = 10,941.40/x
  3. Step 3: Cross multiply
    19,893.75x = 27,453.60 × 10,941.40
  4. Step 4: Simplify right side
    19,893.75x = 300,380,846.39
  5. Step 5: Solve for x
    x = 300,380,846.39/19,893.75
  6. Step 6: Final answer
    x = 15,099.26

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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.