Home / 13,556.73-18,695.15-10,571.48

Finding the Fourth Proportional to 13,556.73, 18,695.15 and 10,571.48

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Solution

The fourth proportional to 13,556.73, 18,695.15 and 10,571.48 is: 14,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.73 : 18,695.15 = 10,571.48 : x
  2. Step 2: Convert to fraction form
    13,556.73/18,695.15 = 10,571.48/x
  3. Step 3: Cross multiply
    13,556.73x = 18,695.15 × 10,571.48
  4. Step 4: Simplify right side
    13,556.73x = 197,635,367.74
  5. Step 5: Solve for x
    x = 197,635,367.74/13,556.73
  6. Step 6: Final answer
    x = 14,578.39

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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.