Home / 16,968.48-25,470-12,043.68

Finding the Fourth Proportional to 16,968.48, 25,470 and 12,043.68

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Solution

The fourth proportional to 16,968.48, 25,470 and 12,043.68 is: 18,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.48 : 25,470 = 12,043.68 : x
  2. Step 2: Convert to fraction form
    16,968.48/25,470 = 12,043.68/x
  3. Step 3: Cross multiply
    16,968.48x = 25,470 × 12,043.68
  4. Step 4: Simplify right side
    16,968.48x = 306,752,529.60
  5. Step 5: Solve for x
    x = 306,752,529.60/16,968.48
  6. Step 6: Final answer
    x = 18,077.78

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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.