Home / 19,768.68-27,268.92-13,054.32

Finding the Fourth Proportional to 19,768.68, 27,268.92 and 13,054.32

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Solution

The fourth proportional to 19,768.68, 27,268.92 and 13,054.32 is: 18,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.68 : 27,268.92 = 13,054.32 : x
  2. Step 2: Convert to fraction form
    19,768.68/27,268.92 = 13,054.32/x
  3. Step 3: Cross multiply
    19,768.68x = 27,268.92 × 13,054.32
  4. Step 4: Simplify right side
    19,768.68x = 355,977,207.73
  5. Step 5: Solve for x
    x = 355,977,207.73/19,768.68
  6. Step 6: Final answer
    x = 18,007.13

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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.