Home / 12,353.41-18,530.75-3,589.03

Finding the Fourth Proportional to 12,353.41, 18,530.75 and 3,589.03

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Solution

The fourth proportional to 12,353.41, 18,530.75 and 3,589.03 is: 5,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.41 : 18,530.75 = 3,589.03 : x
  2. Step 2: Convert to fraction form
    12,353.41/18,530.75 = 3,589.03/x
  3. Step 3: Cross multiply
    12,353.41x = 18,530.75 × 3,589.03
  4. Step 4: Simplify right side
    12,353.41x = 66,507,417.67
  5. Step 5: Solve for x
    x = 66,507,417.67/12,353.41
  6. Step 6: Final answer
    x = 5,383.73

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1.5x scale

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.