Home / 25,119.43-34,665.26-13,789.98

Finding the Fourth Proportional to 25,119.43, 34,665.26 and 13,789.98

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Solution

The fourth proportional to 25,119.43, 34,665.26 and 13,789.98 is: 19,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.43 : 34,665.26 = 13,789.98 : x
  2. Step 2: Convert to fraction form
    25,119.43/34,665.26 = 13,789.98/x
  3. Step 3: Cross multiply
    25,119.43x = 34,665.26 × 13,789.98
  4. Step 4: Simplify right side
    25,119.43x = 478,033,173.14
  5. Step 5: Solve for x
    x = 478,033,173.14/25,119.43
  6. Step 6: Final answer
    x = 19,030.42

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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.