Home / 18,774.44-25,894.26-13,107.32

Finding the Fourth Proportional to 18,774.44, 25,894.26 and 13,107.32

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Solution

The fourth proportional to 18,774.44, 25,894.26 and 13,107.32 is: 18,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.44 : 25,894.26 = 13,107.32 : x
  2. Step 2: Convert to fraction form
    18,774.44/25,894.26 = 13,107.32/x
  3. Step 3: Cross multiply
    18,774.44x = 25,894.26 × 13,107.32
  4. Step 4: Simplify right side
    18,774.44x = 339,404,351.98
  5. Step 5: Solve for x
    x = 339,404,351.98/18,774.44
  6. Step 6: Final answer
    x = 18,078.00

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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.