Home / 17,704.20-26,556.30-7,838.40

Finding the Fourth Proportional to 17,704.20, 26,556.30 and 7,838.40

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Solution

The fourth proportional to 17,704.20, 26,556.30 and 7,838.40 is: 11,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,704.20 : 26,556.30 = 7,838.40 : x
  2. Step 2: Convert to fraction form
    17,704.20/26,556.30 = 7,838.40/x
  3. Step 3: Cross multiply
    17,704.20x = 26,556.30 × 7,838.40
  4. Step 4: Simplify right side
    17,704.20x = 208,158,901.92
  5. Step 5: Solve for x
    x = 208,158,901.92/17,704.20
  6. Step 6: Final answer
    x = 11,757.60

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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.