Home / 25,115.58-37,660.41-10,321.74

Finding the Fourth Proportional to 25,115.58, 37,660.41 and 10,321.74

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Solution

The fourth proportional to 25,115.58, 37,660.41 and 10,321.74 is: 15,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.58 : 37,660.41 = 10,321.74 : x
  2. Step 2: Convert to fraction form
    25,115.58/37,660.41 = 10,321.74/x
  3. Step 3: Cross multiply
    25,115.58x = 37,660.41 × 10,321.74
  4. Step 4: Simplify right side
    25,115.58x = 388,720,960.31
  5. Step 5: Solve for x
    x = 388,720,960.31/25,115.58
  6. Step 6: Final answer
    x = 15,477.28

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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.