Home / 13,945.10-20,924.87-9,268.43

Finding the Fourth Proportional to 13,945.10, 20,924.87 and 9,268.43

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Solution

The fourth proportional to 13,945.10, 20,924.87 and 9,268.43 is: 13,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.10 : 20,924.87 = 9,268.43 : x
  2. Step 2: Convert to fraction form
    13,945.10/20,924.87 = 9,268.43/x
  3. Step 3: Cross multiply
    13,945.10x = 20,924.87 × 9,268.43
  4. Step 4: Simplify right side
    13,945.10x = 193,940,541.89
  5. Step 5: Solve for x
    x = 193,940,541.89/13,945.10
  6. Step 6: Final answer
    x = 13,907.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.