Home / 15,668.04-23,503.39-5,138.00

Finding the Fourth Proportional to 15,668.04, 23,503.39 and 5,138.00

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Solution

The fourth proportional to 15,668.04, 23,503.39 and 5,138.00 is: 7,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.04 : 23,503.39 = 5,138.00 : x
  2. Step 2: Convert to fraction form
    15,668.04/23,503.39 = 5,138.00/x
  3. Step 3: Cross multiply
    15,668.04x = 23,503.39 × 5,138.00
  4. Step 4: Simplify right side
    15,668.04x = 120,760,375.60
  5. Step 5: Solve for x
    x = 120,760,375.60/15,668.04
  6. Step 6: Final answer
    x = 7,707.43

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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.