Home / 17,983.54-26,779.38-17,786.98

Finding the Fourth Proportional to 17,983.54, 26,779.38 and 17,786.98

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Solution

The fourth proportional to 17,983.54, 26,779.38 and 17,786.98 is: 26,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.54 : 26,779.38 = 17,786.98 : x
  2. Step 2: Convert to fraction form
    17,983.54/26,779.38 = 17,786.98/x
  3. Step 3: Cross multiply
    17,983.54x = 26,779.38 × 17,786.98
  4. Step 4: Simplify right side
    17,983.54x = 476,324,296.47
  5. Step 5: Solve for x
    x = 476,324,296.47/17,983.54
  6. Step 6: Final answer
    x = 26,486.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.