Home / 16,871.82-25,273.71-14,125.92

Finding the Fourth Proportional to 16,871.82, 25,273.71 and 14,125.92

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Solution

The fourth proportional to 16,871.82, 25,273.71 and 14,125.92 is: 21,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.82 : 25,273.71 = 14,125.92 : x
  2. Step 2: Convert to fraction form
    16,871.82/25,273.71 = 14,125.92/x
  3. Step 3: Cross multiply
    16,871.82x = 25,273.71 × 14,125.92
  4. Step 4: Simplify right side
    16,871.82x = 357,014,405.56
  5. Step 5: Solve for x
    x = 357,014,405.56/16,871.82
  6. Step 6: Final answer
    x = 21,160.40

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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.