Home / 25,748.48-38,613.78-12,238.02

Finding the Fourth Proportional to 25,748.48, 38,613.78 and 12,238.02

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Solution

The fourth proportional to 25,748.48, 38,613.78 and 12,238.02 is: 18,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.48 : 38,613.78 = 12,238.02 : x
  2. Step 2: Convert to fraction form
    25,748.48/38,613.78 = 12,238.02/x
  3. Step 3: Cross multiply
    25,748.48x = 38,613.78 × 12,238.02
  4. Step 4: Simplify right side
    25,748.48x = 472,556,211.92
  5. Step 5: Solve for x
    x = 472,556,211.92/25,748.48
  6. Step 6: Final answer
    x = 18,352.78

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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.