Home / 17,627.04-26,431.25-7,761.65

Finding the Fourth Proportional to 17,627.04, 26,431.25 and 7,761.65

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Solution

The fourth proportional to 17,627.04, 26,431.25 and 7,761.65 is: 11,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,627.04 : 26,431.25 = 7,761.65 : x
  2. Step 2: Convert to fraction form
    17,627.04/26,431.25 = 7,761.65/x
  3. Step 3: Cross multiply
    17,627.04x = 26,431.25 × 7,761.65
  4. Step 4: Simplify right side
    17,627.04x = 205,149,940.60
  5. Step 5: Solve for x
    x = 205,149,940.60/17,627.04
  6. Step 6: Final answer
    x = 11,638.37

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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.