Home / 19,771.41-29,668.80-7,300.11

Finding the Fourth Proportional to 19,771.41, 29,668.80 and 7,300.11

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Solution

The fourth proportional to 19,771.41, 29,668.80 and 7,300.11 is: 10,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.41 : 29,668.80 = 7,300.11 : x
  2. Step 2: Convert to fraction form
    19,771.41/29,668.80 = 7,300.11/x
  3. Step 3: Cross multiply
    19,771.41x = 29,668.80 × 7,300.11
  4. Step 4: Simplify right side
    19,771.41x = 216,585,503.57
  5. Step 5: Solve for x
    x = 216,585,503.57/19,771.41
  6. Step 6: Final answer
    x = 10,954.48

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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.