Home / 16,812.54-25,218.84-6,940.98

Finding the Fourth Proportional to 16,812.54, 25,218.84 and 6,940.98

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Solution

The fourth proportional to 16,812.54, 25,218.84 and 6,940.98 is: 10,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.54 : 25,218.84 = 6,940.98 : x
  2. Step 2: Convert to fraction form
    16,812.54/25,218.84 = 6,940.98/x
  3. Step 3: Cross multiply
    16,812.54x = 25,218.84 × 6,940.98
  4. Step 4: Simplify right side
    16,812.54x = 175,043,464.06
  5. Step 5: Solve for x
    x = 175,043,464.06/16,812.54
  6. Step 6: Final answer
    x = 10,411.48

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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.