Home / 18,229.45-25,156.53-10,274.23

Finding the Fourth Proportional to 18,229.45, 25,156.53 and 10,274.23

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Solution

The fourth proportional to 18,229.45, 25,156.53 and 10,274.23 is: 14,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.45 : 25,156.53 = 10,274.23 : x
  2. Step 2: Convert to fraction form
    18,229.45/25,156.53 = 10,274.23/x
  3. Step 3: Cross multiply
    18,229.45x = 25,156.53 × 10,274.23
  4. Step 4: Simplify right side
    18,229.45x = 258,463,975.22
  5. Step 5: Solve for x
    x = 258,463,975.22/18,229.45
  6. Step 6: Final answer
    x = 14,178.37

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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.