Home / 19,086.09-26,338.80-11,126.79

Finding the Fourth Proportional to 19,086.09, 26,338.80 and 11,126.79

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Solution

The fourth proportional to 19,086.09, 26,338.80 and 11,126.79 is: 15,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.09 : 26,338.80 = 11,126.79 : x
  2. Step 2: Convert to fraction form
    19,086.09/26,338.80 = 11,126.79/x
  3. Step 3: Cross multiply
    19,086.09x = 26,338.80 × 11,126.79
  4. Step 4: Simplify right side
    19,086.09x = 293,066,296.45
  5. Step 5: Solve for x
    x = 293,066,296.45/19,086.09
  6. Step 6: Final answer
    x = 15,354.97

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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.