Home / 13,843.80-19,104.30-7,556.18

Finding the Fourth Proportional to 13,843.80, 19,104.30 and 7,556.18

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Solution

The fourth proportional to 13,843.80, 19,104.30 and 7,556.18 is: 10,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.80 : 19,104.30 = 7,556.18 : x
  2. Step 2: Convert to fraction form
    13,843.80/19,104.30 = 7,556.18/x
  3. Step 3: Cross multiply
    13,843.80x = 19,104.30 × 7,556.18
  4. Step 4: Simplify right side
    13,843.80x = 144,355,434.05
  5. Step 5: Solve for x
    x = 144,355,434.05/13,843.80
  6. Step 6: Final answer
    x = 10,427.44

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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.