Home / 18,217.14-25,254.30-17,219.33

Finding the Fourth Proportional to 18,217.14, 25,254.30 and 17,219.33

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Solution

The fourth proportional to 18,217.14, 25,254.30 and 17,219.33 is: 23,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.14 : 25,254.30 = 17,219.33 : x
  2. Step 2: Convert to fraction form
    18,217.14/25,254.30 = 17,219.33/x
  3. Step 3: Cross multiply
    18,217.14x = 25,254.30 × 17,219.33
  4. Step 4: Simplify right side
    18,217.14x = 434,861,913.25
  5. Step 5: Solve for x
    x = 434,861,913.25/18,217.14
  6. Step 6: Final answer
    x = 23,871.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.