Home / 25,504.76-35,164.32-18,245.54

Finding the Fourth Proportional to 25,504.76, 35,164.32 and 18,245.54

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Solution

The fourth proportional to 25,504.76, 35,164.32 and 18,245.54 is: 25,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.76 : 35,164.32 = 18,245.54 : x
  2. Step 2: Convert to fraction form
    25,504.76/35,164.32 = 18,245.54/x
  3. Step 3: Cross multiply
    25,504.76x = 35,164.32 × 18,245.54
  4. Step 4: Simplify right side
    25,504.76x = 641,592,007.13
  5. Step 5: Solve for x
    x = 641,592,007.13/25,504.76
  6. Step 6: Final answer
    x = 25,155.78

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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.