Home / 18,019.24-27,004.28-11,433.62

Finding the Fourth Proportional to 18,019.24, 27,004.28 and 11,433.62

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Solution

The fourth proportional to 18,019.24, 27,004.28 and 11,433.62 is: 17,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.24 : 27,004.28 = 11,433.62 : x
  2. Step 2: Convert to fraction form
    18,019.24/27,004.28 = 11,433.62/x
  3. Step 3: Cross multiply
    18,019.24x = 27,004.28 × 11,433.62
  4. Step 4: Simplify right side
    18,019.24x = 308,756,686.24
  5. Step 5: Solve for x
    x = 308,756,686.24/18,019.24
  6. Step 6: Final answer
    x = 17,134.84

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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.