Home / 14,268.48-19,692.36-7,982.16

Finding the Fourth Proportional to 14,268.48, 19,692.36 and 7,982.16

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Solution

The fourth proportional to 14,268.48, 19,692.36 and 7,982.16 is: 11,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.48 : 19,692.36 = 7,982.16 : x
  2. Step 2: Convert to fraction form
    14,268.48/19,692.36 = 7,982.16/x
  3. Step 3: Cross multiply
    14,268.48x = 19,692.36 × 7,982.16
  4. Step 4: Simplify right side
    14,268.48x = 157,187,568.30
  5. Step 5: Solve for x
    x = 157,187,568.30/14,268.48
  6. Step 6: Final answer
    x = 11,016.42

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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.