Home / 13,233.38-18,270.61-8,202.95

Finding the Fourth Proportional to 13,233.38, 18,270.61 and 8,202.95

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Solution

The fourth proportional to 13,233.38, 18,270.61 and 8,202.95 is: 11,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.38 : 18,270.61 = 8,202.95 : x
  2. Step 2: Convert to fraction form
    13,233.38/18,270.61 = 8,202.95/x
  3. Step 3: Cross multiply
    13,233.38x = 18,270.61 × 8,202.95
  4. Step 4: Simplify right side
    13,233.38x = 149,872,900.30
  5. Step 5: Solve for x
    x = 149,872,900.30/13,233.38
  6. Step 6: Final answer
    x = 11,325.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.