Home / 18,983.47-26,195.25-11,027.38

Finding the Fourth Proportional to 18,983.47, 26,195.25 and 11,027.38

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Solution

The fourth proportional to 18,983.47, 26,195.25 and 11,027.38 is: 15,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.47 : 26,195.25 = 11,027.38 : x
  2. Step 2: Convert to fraction form
    18,983.47/26,195.25 = 11,027.38/x
  3. Step 3: Cross multiply
    18,983.47x = 26,195.25 × 11,027.38
  4. Step 4: Simplify right side
    18,983.47x = 288,864,975.95
  5. Step 5: Solve for x
    x = 288,864,975.95/18,983.47
  6. Step 6: Final answer
    x = 15,216.66

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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.