Home / 25,672.08-38,509.20-12,536.04

Finding the Fourth Proportional to 25,672.08, 38,509.20 and 12,536.04

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Solution

The fourth proportional to 25,672.08, 38,509.20 and 12,536.04 is: 18,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.08 : 38,509.20 = 12,536.04 : x
  2. Step 2: Convert to fraction form
    25,672.08/38,509.20 = 12,536.04/x
  3. Step 3: Cross multiply
    25,672.08x = 38,509.20 × 12,536.04
  4. Step 4: Simplify right side
    25,672.08x = 482,752,871.57
  5. Step 5: Solve for x
    x = 482,752,871.57/25,672.08
  6. Step 6: Final answer
    x = 18,804.59

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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.