Home / 19,474.38-26,887.62-11,519.16

Finding the Fourth Proportional to 19,474.38, 26,887.62 and 11,519.16

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Solution

The fourth proportional to 19,474.38, 26,887.62 and 11,519.16 is: 15,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.38 : 26,887.62 = 11,519.16 : x
  2. Step 2: Convert to fraction form
    19,474.38/26,887.62 = 11,519.16/x
  3. Step 3: Cross multiply
    19,474.38x = 26,887.62 × 11,519.16
  4. Step 4: Simplify right side
    19,474.38x = 309,722,796.80
  5. Step 5: Solve for x
    x = 309,722,796.80/19,474.38
  6. Step 6: Final answer
    x = 15,904.12

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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.