Home / 19,398.36-29,104.38-11,994.24

Finding the Fourth Proportional to 19,398.36, 29,104.38 and 11,994.24

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Solution

The fourth proportional to 19,398.36, 29,104.38 and 11,994.24 is: 17,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.36 : 29,104.38 = 11,994.24 : x
  2. Step 2: Convert to fraction form
    19,398.36/29,104.38 = 11,994.24/x
  3. Step 3: Cross multiply
    19,398.36x = 29,104.38 × 11,994.24
  4. Step 4: Simplify right side
    19,398.36x = 349,084,918.77
  5. Step 5: Solve for x
    x = 349,084,918.77/19,398.36
  6. Step 6: Final answer
    x = 17,995.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.