Home / 16,912.57-25,389.59-16,243.63

Finding the Fourth Proportional to 16,912.57, 25,389.59 and 16,243.63

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Solution

The fourth proportional to 16,912.57, 25,389.59 and 16,243.63 is: 24,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.57 : 25,389.59 = 16,243.63 : x
  2. Step 2: Convert to fraction form
    16,912.57/25,389.59 = 16,243.63/x
  3. Step 3: Cross multiply
    16,912.57x = 25,389.59 × 16,243.63
  4. Step 4: Simplify right side
    16,912.57x = 412,418,961.12
  5. Step 5: Solve for x
    x = 412,418,961.12/16,912.57
  6. Step 6: Final answer
    x = 24,385.35

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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.