Home / 16,998.35-25,383-13,884.53

Finding the Fourth Proportional to 16,998.35, 25,383 and 13,884.53

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Solution

The fourth proportional to 16,998.35, 25,383 and 13,884.53 is: 20,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.35 : 25,383 = 13,884.53 : x
  2. Step 2: Convert to fraction form
    16,998.35/25,383 = 13,884.53/x
  3. Step 3: Cross multiply
    16,998.35x = 25,383 × 13,884.53
  4. Step 4: Simplify right side
    16,998.35x = 352,430,898.08
  5. Step 5: Solve for x
    x = 352,430,898.08/16,998.35
  6. Step 6: Final answer
    x = 20,733.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.