Home / 18,918.83-26,104.86-11,466.83

Finding the Fourth Proportional to 18,918.83, 26,104.86 and 11,466.83

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Solution

The fourth proportional to 18,918.83, 26,104.86 and 11,466.83 is: 15,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.83 : 26,104.86 = 11,466.83 : x
  2. Step 2: Convert to fraction form
    18,918.83/26,104.86 = 11,466.83/x
  3. Step 3: Cross multiply
    18,918.83x = 26,104.86 × 11,466.83
  4. Step 4: Simplify right side
    18,918.83x = 299,339,991.79
  5. Step 5: Solve for x
    x = 299,339,991.79/18,918.83
  6. Step 6: Final answer
    x = 15,822.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.