Home / 18,131.72-25,024.05-10,173.87

Finding the Fourth Proportional to 18,131.72, 25,024.05 and 10,173.87

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Solution

The fourth proportional to 18,131.72, 25,024.05 and 10,173.87 is: 14,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.72 : 25,024.05 = 10,173.87 : x
  2. Step 2: Convert to fraction form
    18,131.72/25,024.05 = 10,173.87/x
  3. Step 3: Cross multiply
    18,131.72x = 25,024.05 × 10,173.87
  4. Step 4: Simplify right side
    18,131.72x = 254,591,431.57
  5. Step 5: Solve for x
    x = 254,591,431.57/18,131.72
  6. Step 6: Final answer
    x = 14,041.22

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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.