Home / 17,906.88-26,860.56-6,220.32

Finding the Fourth Proportional to 17,906.88, 26,860.56 and 6,220.32

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Solution

The fourth proportional to 17,906.88, 26,860.56 and 6,220.32 is: 9,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.88 : 26,860.56 = 6,220.32 : x
  2. Step 2: Convert to fraction form
    17,906.88/26,860.56 = 6,220.32/x
  3. Step 3: Cross multiply
    17,906.88x = 26,860.56 × 6,220.32
  4. Step 4: Simplify right side
    17,906.88x = 167,081,278.58
  5. Step 5: Solve for x
    x = 167,081,278.58/17,906.88
  6. Step 6: Final answer
    x = 9,330.56

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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.