Home / 19,450.09-29,101.52-11,556.84

Finding the Fourth Proportional to 19,450.09, 29,101.52 and 11,556.84

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Solution

The fourth proportional to 19,450.09, 29,101.52 and 11,556.84 is: 17,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.09 : 29,101.52 = 11,556.84 : x
  2. Step 2: Convert to fraction form
    19,450.09/29,101.52 = 11,556.84/x
  3. Step 3: Cross multiply
    19,450.09x = 29,101.52 × 11,556.84
  4. Step 4: Simplify right side
    19,450.09x = 336,321,639.29
  5. Step 5: Solve for x
    x = 336,321,639.29/19,450.09
  6. Step 6: Final answer
    x = 17,291.52

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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.