Home / 25,183.44-34,740.90-19,555.56

Finding the Fourth Proportional to 25,183.44, 34,740.90 and 19,555.56

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Solution

The fourth proportional to 25,183.44, 34,740.90 and 19,555.56 is: 26,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183.44 : 34,740.90 = 19,555.56 : x
  2. Step 2: Convert to fraction form
    25,183.44/34,740.90 = 19,555.56/x
  3. Step 3: Cross multiply
    25,183.44x = 34,740.90 × 19,555.56
  4. Step 4: Simplify right side
    25,183.44x = 679,377,754.40
  5. Step 5: Solve for x
    x = 679,377,754.40/25,183.44
  6. Step 6: Final answer
    x = 26,977.16

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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.