Home / 19,579.43-27,019.66-11,623.25

Finding the Fourth Proportional to 19,579.43, 27,019.66 and 11,623.25

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Solution

The fourth proportional to 19,579.43, 27,019.66 and 11,623.25 is: 16,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.43 : 27,019.66 = 11,623.25 : x
  2. Step 2: Convert to fraction form
    19,579.43/27,019.66 = 11,623.25/x
  3. Step 3: Cross multiply
    19,579.43x = 27,019.66 × 11,623.25
  4. Step 4: Simplify right side
    19,579.43x = 314,056,301.59
  5. Step 5: Solve for x
    x = 314,056,301.59/19,579.43
  6. Step 6: Final answer
    x = 16,040.11

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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.