Home / 25,488.96-38,212.38-11,247.30

Finding the Fourth Proportional to 25,488.96, 38,212.38 and 11,247.30

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Solution

The fourth proportional to 25,488.96, 38,212.38 and 11,247.30 is: 16,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.96 : 38,212.38 = 11,247.30 : x
  2. Step 2: Convert to fraction form
    25,488.96/38,212.38 = 11,247.30/x
  3. Step 3: Cross multiply
    25,488.96x = 38,212.38 × 11,247.30
  4. Step 4: Simplify right side
    25,488.96x = 429,786,101.57
  5. Step 5: Solve for x
    x = 429,786,101.57/25,488.96
  6. Step 6: Final answer
    x = 16,861.66

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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.