Home / 14,255.36-19,763.60-13,469.12

Finding the Fourth Proportional to 14,255.36, 19,763.60 and 13,469.12

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Solution

The fourth proportional to 14,255.36, 19,763.60 and 13,469.12 is: 18,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.36 : 19,763.60 = 13,469.12 : x
  2. Step 2: Convert to fraction form
    14,255.36/19,763.60 = 13,469.12/x
  3. Step 3: Cross multiply
    14,255.36x = 19,763.60 × 13,469.12
  4. Step 4: Simplify right side
    14,255.36x = 266,198,300.03
  5. Step 5: Solve for x
    x = 266,198,300.03/14,255.36
  6. Step 6: Final answer
    x = 18,673.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.