Home / 25,418.03-38,100.60-8,538.52

Finding the Fourth Proportional to 25,418.03, 38,100.60 and 8,538.52

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Solution

The fourth proportional to 25,418.03, 38,100.60 and 8,538.52 is: 12,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.03 : 38,100.60 = 8,538.52 : x
  2. Step 2: Convert to fraction form
    25,418.03/38,100.60 = 8,538.52/x
  3. Step 3: Cross multiply
    25,418.03x = 38,100.60 × 8,538.52
  4. Step 4: Simplify right side
    25,418.03x = 325,322,671.88
  5. Step 5: Solve for x
    x = 325,322,671.88/25,418.03
  6. Step 6: Final answer
    x = 12,798.89

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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.