Home / 13,172.14-19,736.27-9,268.35

Finding the Fourth Proportional to 13,172.14, 19,736.27 and 9,268.35

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Solution

The fourth proportional to 13,172.14, 19,736.27 and 9,268.35 is: 13,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.14 : 19,736.27 = 9,268.35 : x
  2. Step 2: Convert to fraction form
    13,172.14/19,736.27 = 9,268.35/x
  3. Step 3: Cross multiply
    13,172.14x = 19,736.27 × 9,268.35
  4. Step 4: Simplify right side
    13,172.14x = 182,922,658.05
  5. Step 5: Solve for x
    x = 182,922,658.05/13,172.14
  6. Step 6: Final answer
    x = 13,887.09

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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.