Home / 16,983.72-25,474.32-7,122.60

Finding the Fourth Proportional to 16,983.72, 25,474.32 and 7,122.60

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Solution

The fourth proportional to 16,983.72, 25,474.32 and 7,122.60 is: 10,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.72 : 25,474.32 = 7,122.60 : x
  2. Step 2: Convert to fraction form
    16,983.72/25,474.32 = 7,122.60/x
  3. Step 3: Cross multiply
    16,983.72x = 25,474.32 × 7,122.60
  4. Step 4: Simplify right side
    16,983.72x = 181,443,391.63
  5. Step 5: Solve for x
    x = 181,443,391.63/16,983.72
  6. Step 6: Final answer
    x = 10,683.37

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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.