Home / 19,713.47-29,578.89-10,351.31

Finding the Fourth Proportional to 19,713.47, 29,578.89 and 10,351.31

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Solution

The fourth proportional to 19,713.47, 29,578.89 and 10,351.31 is: 15,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.47 : 29,578.89 = 10,351.31 : x
  2. Step 2: Convert to fraction form
    19,713.47/29,578.89 = 10,351.31/x
  3. Step 3: Cross multiply
    19,713.47x = 29,578.89 × 10,351.31
  4. Step 4: Simplify right side
    19,713.47x = 306,180,259.85
  5. Step 5: Solve for x
    x = 306,180,259.85/19,713.47
  6. Step 6: Final answer
    x = 15,531.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.