Home / 18,375.06-25,351.44-10,307.54

Finding the Fourth Proportional to 18,375.06, 25,351.44 and 10,307.54

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Solution

The fourth proportional to 18,375.06, 25,351.44 and 10,307.54 is: 14,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.06 : 25,351.44 = 10,307.54 : x
  2. Step 2: Convert to fraction form
    18,375.06/25,351.44 = 10,307.54/x
  3. Step 3: Cross multiply
    18,375.06x = 25,351.44 × 10,307.54
  4. Step 4: Simplify right side
    18,375.06x = 261,310,981.86
  5. Step 5: Solve for x
    x = 261,310,981.86/18,375.06
  6. Step 6: Final answer
    x = 14,220.96

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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.