Home / 19,628.25-27,049.32-12,542.37

Finding the Fourth Proportional to 19,628.25, 27,049.32 and 12,542.37

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Solution

The fourth proportional to 19,628.25, 27,049.32 and 12,542.37 is: 17,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.25 : 27,049.32 = 12,542.37 : x
  2. Step 2: Convert to fraction form
    19,628.25/27,049.32 = 12,542.37/x
  3. Step 3: Cross multiply
    19,628.25x = 27,049.32 × 12,542.37
  4. Step 4: Simplify right side
    19,628.25x = 339,262,579.69
  5. Step 5: Solve for x
    x = 339,262,579.69/19,628.25
  6. Step 6: Final answer
    x = 17,284.40

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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.