Home / 18,983.77-26,198.03-11,026.53

Finding the Fourth Proportional to 18,983.77, 26,198.03 and 11,026.53

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Solution

The fourth proportional to 18,983.77, 26,198.03 and 11,026.53 is: 15,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.77 : 26,198.03 = 11,026.53 : x
  2. Step 2: Convert to fraction form
    18,983.77/26,198.03 = 11,026.53/x
  3. Step 3: Cross multiply
    18,983.77x = 26,198.03 × 11,026.53
  4. Step 4: Simplify right side
    18,983.77x = 288,873,391.30
  5. Step 5: Solve for x
    x = 288,873,391.30/18,983.77
  6. Step 6: Final answer
    x = 15,216.86

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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.