Home / 25,450.94-35,115.17-20,056.65

Finding the Fourth Proportional to 25,450.94, 35,115.17 and 20,056.65

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Solution

The fourth proportional to 25,450.94, 35,115.17 and 20,056.65 is: 27,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.94 : 35,115.17 = 20,056.65 : x
  2. Step 2: Convert to fraction form
    25,450.94/35,115.17 = 20,056.65/x
  3. Step 3: Cross multiply
    25,450.94x = 35,115.17 × 20,056.65
  4. Step 4: Simplify right side
    25,450.94x = 704,292,574.10
  5. Step 5: Solve for x
    x = 704,292,574.10/25,450.94
  6. Step 6: Final answer
    x = 27,672.56

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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.