Home / 18,419.26-25,411.91-12,049.48

Finding the Fourth Proportional to 18,419.26, 25,411.91 and 12,049.48

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Solution

The fourth proportional to 18,419.26, 25,411.91 and 12,049.48 is: 16,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.26 : 25,411.91 = 12,049.48 : x
  2. Step 2: Convert to fraction form
    18,419.26/25,411.91 = 12,049.48/x
  3. Step 3: Cross multiply
    18,419.26x = 25,411.91 × 12,049.48
  4. Step 4: Simplify right side
    18,419.26x = 306,200,241.06
  5. Step 5: Solve for x
    x = 306,200,241.06/18,419.26
  6. Step 6: Final answer
    x = 16,623.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.