Home / 18,738.03-25,858.18-10,239.96

Finding the Fourth Proportional to 18,738.03, 25,858.18 and 10,239.96

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Solution

The fourth proportional to 18,738.03, 25,858.18 and 10,239.96 is: 14,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.03 : 25,858.18 = 10,239.96 : x
  2. Step 2: Convert to fraction form
    18,738.03/25,858.18 = 10,239.96/x
  3. Step 3: Cross multiply
    18,738.03x = 25,858.18 × 10,239.96
  4. Step 4: Simplify right side
    18,738.03x = 264,786,728.87
  5. Step 5: Solve for x
    x = 264,786,728.87/18,738.03
  6. Step 6: Final answer
    x = 14,130.98

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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.