Home / 12,399.24-18,595.24-3,632.08

Finding the Fourth Proportional to 12,399.24, 18,595.24 and 3,632.08

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Solution

The fourth proportional to 12,399.24, 18,595.24 and 3,632.08 is: 5,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.24 : 18,595.24 = 3,632.08 : x
  2. Step 2: Convert to fraction form
    12,399.24/18,595.24 = 3,632.08/x
  3. Step 3: Cross multiply
    12,399.24x = 18,595.24 × 3,632.08
  4. Step 4: Simplify right side
    12,399.24x = 67,539,399.30
  5. Step 5: Solve for x
    x = 67,539,399.30/12,399.24
  6. Step 6: Final answer
    x = 5,447.06

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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.