Home / 19,668.67-29,351.81-19,556.36

Finding the Fourth Proportional to 19,668.67, 29,351.81 and 19,556.36

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Solution

The fourth proportional to 19,668.67, 29,351.81 and 19,556.36 is: 29,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.67 : 29,351.81 = 19,556.36 : x
  2. Step 2: Convert to fraction form
    19,668.67/29,351.81 = 19,556.36/x
  3. Step 3: Cross multiply
    19,668.67x = 29,351.81 × 19,556.36
  4. Step 4: Simplify right side
    19,668.67x = 574,014,563.01
  5. Step 5: Solve for x
    x = 574,014,563.01/19,668.67
  6. Step 6: Final answer
    x = 29,184.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.