Home / 19,343.30-26,519.92-18,993.38

Finding the Fourth Proportional to 19,343.30, 26,519.92 and 18,993.38

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Solution

The fourth proportional to 19,343.30, 26,519.92 and 18,993.38 is: 26,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.30 : 26,519.92 = 18,993.38 : x
  2. Step 2: Convert to fraction form
    19,343.30/26,519.92 = 18,993.38/x
  3. Step 3: Cross multiply
    19,343.30x = 26,519.92 × 18,993.38
  4. Step 4: Simplify right side
    19,343.30x = 503,702,936.95
  5. Step 5: Solve for x
    x = 503,702,936.95/19,343.30
  6. Step 6: Final answer
    x = 26,040.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.