Home / 25,122.74-37,684.91-12,635.94

Finding the Fourth Proportional to 25,122.74, 37,684.91 and 12,635.94

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Solution

The fourth proportional to 25,122.74, 37,684.91 and 12,635.94 is: 18,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.74 : 37,684.91 = 12,635.94 : x
  2. Step 2: Convert to fraction form
    25,122.74/37,684.91 = 12,635.94/x
  3. Step 3: Cross multiply
    25,122.74x = 37,684.91 × 12,635.94
  4. Step 4: Simplify right side
    25,122.74x = 476,184,198.49
  5. Step 5: Solve for x
    x = 476,184,198.49/25,122.74
  6. Step 6: Final answer
    x = 18,954.31

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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.