Home / 19,853.06-27,399.66-11,469.56

Finding the Fourth Proportional to 19,853.06, 27,399.66 and 11,469.56

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Solution

The fourth proportional to 19,853.06, 27,399.66 and 11,469.56 is: 15,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.06 : 27,399.66 = 11,469.56 : x
  2. Step 2: Convert to fraction form
    19,853.06/27,399.66 = 11,469.56/x
  3. Step 3: Cross multiply
    19,853.06x = 27,399.66 × 11,469.56
  4. Step 4: Simplify right side
    19,853.06x = 314,262,044.35
  5. Step 5: Solve for x
    x = 314,262,044.35/19,853.06
  6. Step 6: Final answer
    x = 15,829.40

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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.