Home / 25,251.75-37,890.14-18,571.77

Finding the Fourth Proportional to 25,251.75, 37,890.14 and 18,571.77

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Solution

The fourth proportional to 25,251.75, 37,890.14 and 18,571.77 is: 27,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.75 : 37,890.14 = 18,571.77 : x
  2. Step 2: Convert to fraction form
    25,251.75/37,890.14 = 18,571.77/x
  3. Step 3: Cross multiply
    25,251.75x = 37,890.14 × 18,571.77
  4. Step 4: Simplify right side
    25,251.75x = 703,686,872.49
  5. Step 5: Solve for x
    x = 703,686,872.49/25,251.75
  6. Step 6: Final answer
    x = 27,866.86

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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.