Home / 17,741.22-26,618.13-7,879.62

Finding the Fourth Proportional to 17,741.22, 26,618.13 and 7,879.62

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Solution

The fourth proportional to 17,741.22, 26,618.13 and 7,879.62 is: 11,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.22 : 26,618.13 = 7,879.62 : x
  2. Step 2: Convert to fraction form
    17,741.22/26,618.13 = 7,879.62/x
  3. Step 3: Cross multiply
    17,741.22x = 26,618.13 × 7,879.62
  4. Step 4: Simplify right side
    17,741.22x = 209,740,749.51
  5. Step 5: Solve for x
    x = 209,740,749.51/17,741.22
  6. Step 6: Final answer
    x = 11,822.23

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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.