Home / 17,911.48-26,867.22-6,815.56

Finding the Fourth Proportional to 17,911.48, 26,867.22 and 6,815.56

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Solution

The fourth proportional to 17,911.48, 26,867.22 and 6,815.56 is: 10,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.48 : 26,867.22 = 6,815.56 : x
  2. Step 2: Convert to fraction form
    17,911.48/26,867.22 = 6,815.56/x
  3. Step 3: Cross multiply
    17,911.48x = 26,867.22 × 6,815.56
  4. Step 4: Simplify right side
    17,911.48x = 183,115,149.94
  5. Step 5: Solve for x
    x = 183,115,149.94/17,911.48
  6. Step 6: Final answer
    x = 10,223.34

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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.