Home / 18,556.96-25,613.52-11,479.36

Finding the Fourth Proportional to 18,556.96, 25,613.52 and 11,479.36

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Solution

The fourth proportional to 18,556.96, 25,613.52 and 11,479.36 is: 15,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.96 : 25,613.52 = 11,479.36 : x
  2. Step 2: Convert to fraction form
    18,556.96/25,613.52 = 11,479.36/x
  3. Step 3: Cross multiply
    18,556.96x = 25,613.52 × 11,479.36
  4. Step 4: Simplify right side
    18,556.96x = 294,026,816.95
  5. Step 5: Solve for x
    x = 294,026,816.95/18,556.96
  6. Step 6: Final answer
    x = 15,844.56

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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.