Home / 16,935.48-25,418.82-8,621.45

Finding the Fourth Proportional to 16,935.48, 25,418.82 and 8,621.45

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Solution

The fourth proportional to 16,935.48, 25,418.82 and 8,621.45 is: 12,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.48 : 25,418.82 = 8,621.45 : x
  2. Step 2: Convert to fraction form
    16,935.48/25,418.82 = 8,621.45/x
  3. Step 3: Cross multiply
    16,935.48x = 25,418.82 × 8,621.45
  4. Step 4: Simplify right side
    16,935.48x = 219,146,958.59
  5. Step 5: Solve for x
    x = 219,146,958.59/16,935.48
  6. Step 6: Final answer
    x = 12,940.11

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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.