Home / 25,872.89-38,809.59-14,179.73

Finding the Fourth Proportional to 25,872.89, 38,809.59 and 14,179.73

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Solution

The fourth proportional to 25,872.89, 38,809.59 and 14,179.73 is: 21,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,872.89 : 38,809.59 = 14,179.73 : x
  2. Step 2: Convert to fraction form
    25,872.89/38,809.59 = 14,179.73/x
  3. Step 3: Cross multiply
    25,872.89x = 38,809.59 × 14,179.73
  4. Step 4: Simplify right side
    25,872.89x = 550,309,405.92
  5. Step 5: Solve for x
    x = 550,309,405.92/25,872.89
  6. Step 6: Final answer
    x = 21,269.73

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1.5x scale

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.