Home / 26,899.96-40,307.80-17,018.36

Finding the Fourth Proportional to 26,899.96, 40,307.80 and 17,018.36

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Solution

The fourth proportional to 26,899.96, 40,307.80 and 17,018.36 is: 25,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,899.96 : 40,307.80 = 17,018.36 : x
  2. Step 2: Convert to fraction form
    26,899.96/40,307.80 = 17,018.36/x
  3. Step 3: Cross multiply
    26,899.96x = 40,307.80 × 17,018.36
  4. Step 4: Simplify right side
    26,899.96x = 685,972,651.21
  5. Step 5: Solve for x
    x = 685,972,651.21/26,899.96
  6. Step 6: Final answer
    x = 25,500.88

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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.