Home / 17,191.71-25,788.31-4,711.43

Finding the Fourth Proportional to 17,191.71, 25,788.31 and 4,711.43

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Solution

The fourth proportional to 17,191.71, 25,788.31 and 4,711.43 is: 7,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.71 : 25,788.31 = 4,711.43 : x
  2. Step 2: Convert to fraction form
    17,191.71/25,788.31 = 4,711.43/x
  3. Step 3: Cross multiply
    17,191.71x = 25,788.31 × 4,711.43
  4. Step 4: Simplify right side
    17,191.71x = 121,499,870.08
  5. Step 5: Solve for x
    x = 121,499,870.08/17,191.71
  6. Step 6: Final answer
    x = 7,067.35

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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.