Home / 18,139.45-27,194.18-6,892.46

Finding the Fourth Proportional to 18,139.45, 27,194.18 and 6,892.46

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Solution

The fourth proportional to 18,139.45, 27,194.18 and 6,892.46 is: 10,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.45 : 27,194.18 = 6,892.46 : x
  2. Step 2: Convert to fraction form
    18,139.45/27,194.18 = 6,892.46/x
  3. Step 3: Cross multiply
    18,139.45x = 27,194.18 × 6,892.46
  4. Step 4: Simplify right side
    18,139.45x = 187,434,806.26
  5. Step 5: Solve for x
    x = 187,434,806.26/18,139.45
  6. Step 6: Final answer
    x = 10,332.99

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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.