Home / 16,813.78-25,213.37-5,717.49

Finding the Fourth Proportional to 16,813.78, 25,213.37 and 5,717.49

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Solution

The fourth proportional to 16,813.78, 25,213.37 and 5,717.49 is: 8,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.78 : 25,213.37 = 5,717.49 : x
  2. Step 2: Convert to fraction form
    16,813.78/25,213.37 = 5,717.49/x
  3. Step 3: Cross multiply
    16,813.78x = 25,213.37 × 5,717.49
  4. Step 4: Simplify right side
    16,813.78x = 144,157,190.84
  5. Step 5: Solve for x
    x = 144,157,190.84/16,813.78
  6. Step 6: Final answer
    x = 8,573.75

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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.