Home / 19,538.38-26,963.89-11,040.86

Finding the Fourth Proportional to 19,538.38, 26,963.89 and 11,040.86

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Solution

The fourth proportional to 19,538.38, 26,963.89 and 11,040.86 is: 15,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.38 : 26,963.89 = 11,040.86 : x
  2. Step 2: Convert to fraction form
    19,538.38/26,963.89 = 11,040.86/x
  3. Step 3: Cross multiply
    19,538.38x = 26,963.89 × 11,040.86
  4. Step 4: Simplify right side
    19,538.38x = 297,704,422.68
  5. Step 5: Solve for x
    x = 297,704,422.68/19,538.38
  6. Step 6: Final answer
    x = 15,236.91

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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.