Home / 17,627.18-26,447.70-7,759.54

Finding the Fourth Proportional to 17,627.18, 26,447.70 and 7,759.54

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Solution

The fourth proportional to 17,627.18, 26,447.70 and 7,759.54 is: 11,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.18 : 26,447.70 = 7,759.54 : x
  2. Step 2: Convert to fraction form
    17,627.18/26,447.70 = 7,759.54/x
  3. Step 3: Cross multiply
    17,627.18x = 26,447.70 × 7,759.54
  4. Step 4: Simplify right side
    17,627.18x = 205,221,986.06
  5. Step 5: Solve for x
    x = 205,221,986.06/17,627.18
  6. Step 6: Final answer
    x = 11,642.36

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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.