Home / 19,707.03-27,195.75-11,208.96

Finding the Fourth Proportional to 19,707.03, 27,195.75 and 11,208.96

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Solution

The fourth proportional to 19,707.03, 27,195.75 and 11,208.96 is: 15,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.03 : 27,195.75 = 11,208.96 : x
  2. Step 2: Convert to fraction form
    19,707.03/27,195.75 = 11,208.96/x
  3. Step 3: Cross multiply
    19,707.03x = 27,195.75 × 11,208.96
  4. Step 4: Simplify right side
    19,707.03x = 304,836,073.92
  5. Step 5: Solve for x
    x = 304,836,073.92/19,707.03
  6. Step 6: Final answer
    x = 15,468.39

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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.