Home / 19,133.79-28,707.96-17,278.47

Finding the Fourth Proportional to 19,133.79, 28,707.96 and 17,278.47

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Solution

The fourth proportional to 19,133.79, 28,707.96 and 17,278.47 is: 25,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.79 : 28,707.96 = 17,278.47 : x
  2. Step 2: Convert to fraction form
    19,133.79/28,707.96 = 17,278.47/x
  3. Step 3: Cross multiply
    19,133.79x = 28,707.96 × 17,278.47
  4. Step 4: Simplify right side
    19,133.79x = 496,029,625.62
  5. Step 5: Solve for x
    x = 496,029,625.62/19,133.79
  6. Step 6: Final answer
    x = 25,924.27

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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.