Home / 13,983.54-19,255.68-13,673.16

Finding the Fourth Proportional to 13,983.54, 19,255.68 and 13,673.16

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Solution

The fourth proportional to 13,983.54, 19,255.68 and 13,673.16 is: 18,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.54 : 19,255.68 = 13,673.16 : x
  2. Step 2: Convert to fraction form
    13,983.54/19,255.68 = 13,673.16/x
  3. Step 3: Cross multiply
    13,983.54x = 19,255.68 × 13,673.16
  4. Step 4: Simplify right side
    13,983.54x = 263,285,993.55
  5. Step 5: Solve for x
    x = 263,285,993.55/13,983.54
  6. Step 6: Final answer
    x = 18,828.28

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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.