Home / 25,245.92-37,910.86-15,780.16

Finding the Fourth Proportional to 25,245.92, 37,910.86 and 15,780.16

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Solution

The fourth proportional to 25,245.92, 37,910.86 and 15,780.16 is: 23,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.92 : 37,910.86 = 15,780.16 : x
  2. Step 2: Convert to fraction form
    25,245.92/37,910.86 = 15,780.16/x
  3. Step 3: Cross multiply
    25,245.92x = 37,910.86 × 15,780.16
  4. Step 4: Simplify right side
    25,245.92x = 598,239,436.54
  5. Step 5: Solve for x
    x = 598,239,436.54/25,245.92
  6. Step 6: Final answer
    x = 23,696.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.