Home / 26,711.07-36,891.53-18,198.42

Finding the Fourth Proportional to 26,711.07, 36,891.53 and 18,198.42

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Solution

The fourth proportional to 26,711.07, 36,891.53 and 18,198.42 is: 25,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711.07 : 36,891.53 = 18,198.42 : x
  2. Step 2: Convert to fraction form
    26,711.07/36,891.53 = 18,198.42/x
  3. Step 3: Cross multiply
    26,711.07x = 36,891.53 × 18,198.42
  4. Step 4: Simplify right side
    26,711.07x = 671,367,557.38
  5. Step 5: Solve for x
    x = 671,367,557.38/26,711.07
  6. Step 6: Final answer
    x = 25,134.43

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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.