Home / 12,453.75-18,652.68-9,672.01

Finding the Fourth Proportional to 12,453.75, 18,652.68 and 9,672.01

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Solution

The fourth proportional to 12,453.75, 18,652.68 and 9,672.01 is: 14,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.75 : 18,652.68 = 9,672.01 : x
  2. Step 2: Convert to fraction form
    12,453.75/18,652.68 = 9,672.01/x
  3. Step 3: Cross multiply
    12,453.75x = 18,652.68 × 9,672.01
  4. Step 4: Simplify right side
    12,453.75x = 180,408,860.86
  5. Step 5: Solve for x
    x = 180,408,860.86/12,453.75
  6. Step 6: Final answer
    x = 14,486.31

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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.