Home / 19,707.36-27,195.48-11,745.48

Finding the Fourth Proportional to 19,707.36, 27,195.48 and 11,745.48

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Solution

The fourth proportional to 19,707.36, 27,195.48 and 11,745.48 is: 16,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.36 : 27,195.48 = 11,745.48 : x
  2. Step 2: Convert to fraction form
    19,707.36/27,195.48 = 11,745.48/x
  3. Step 3: Cross multiply
    19,707.36x = 27,195.48 × 11,745.48
  4. Step 4: Simplify right side
    19,707.36x = 319,423,966.43
  5. Step 5: Solve for x
    x = 319,423,966.43/19,707.36
  6. Step 6: Final answer
    x = 16,208.36

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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.