Home / 25,674.08-38,512.20-12,538.04

Finding the Fourth Proportional to 25,674.08, 38,512.20 and 12,538.04

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Solution

The fourth proportional to 25,674.08, 38,512.20 and 12,538.04 is: 18,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.08 : 38,512.20 = 12,538.04 : x
  2. Step 2: Convert to fraction form
    25,674.08/38,512.20 = 12,538.04/x
  3. Step 3: Cross multiply
    25,674.08x = 38,512.20 × 12,538.04
  4. Step 4: Simplify right side
    25,674.08x = 482,867,504.09
  5. Step 5: Solve for x
    x = 482,867,504.09/25,674.08
  6. Step 6: Final answer
    x = 18,807.59

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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.