Home / 17,640.07-26,454.63-7,109.66

Finding the Fourth Proportional to 17,640.07, 26,454.63 and 7,109.66

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Solution

The fourth proportional to 17,640.07, 26,454.63 and 7,109.66 is: 10,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.07 : 26,454.63 = 7,109.66 : x
  2. Step 2: Convert to fraction form
    17,640.07/26,454.63 = 7,109.66/x
  3. Step 3: Cross multiply
    17,640.07x = 26,454.63 × 7,109.66
  4. Step 4: Simplify right side
    17,640.07x = 188,083,424.73
  5. Step 5: Solve for x
    x = 188,083,424.73/17,640.07
  6. Step 6: Final answer
    x = 10,662.28

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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.