Home / 25,143.22-34,703.88-14,539

Finding the Fourth Proportional to 25,143.22, 34,703.88 and 14,539

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Solution

The fourth proportional to 25,143.22, 34,703.88 and 14,539 is: 20,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.22 : 34,703.88 = 14,539 : x
  2. Step 2: Convert to fraction form
    25,143.22/34,703.88 = 14,539/x
  3. Step 3: Cross multiply
    25,143.22x = 34,703.88 × 14,539
  4. Step 4: Simplify right side
    25,143.22x = 504,559,711.32
  5. Step 5: Solve for x
    x = 504,559,711.32/25,143.22
  6. Step 6: Final answer
    x = 20,067.43

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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.