Home / 19,092.62-26,340-13,775.78

Finding the Fourth Proportional to 19,092.62, 26,340 and 13,775.78

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Solution

The fourth proportional to 19,092.62, 26,340 and 13,775.78 is: 19,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.62 : 26,340 = 13,775.78 : x
  2. Step 2: Convert to fraction form
    19,092.62/26,340 = 13,775.78/x
  3. Step 3: Cross multiply
    19,092.62x = 26,340 × 13,775.78
  4. Step 4: Simplify right side
    19,092.62x = 362,854,045.20
  5. Step 5: Solve for x
    x = 362,854,045.20/19,092.62
  6. Step 6: Final answer
    x = 19,004.94

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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.