Home / 18,394.20-27,591.55-5,246.57

Finding the Fourth Proportional to 18,394.20, 27,591.55 and 5,246.57

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Solution

The fourth proportional to 18,394.20, 27,591.55 and 5,246.57 is: 7,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.20 : 27,591.55 = 5,246.57 : x
  2. Step 2: Convert to fraction form
    18,394.20/27,591.55 = 5,246.57/x
  3. Step 3: Cross multiply
    18,394.20x = 27,591.55 × 5,246.57
  4. Step 4: Simplify right side
    18,394.20x = 144,760,998.48
  5. Step 5: Solve for x
    x = 144,760,998.48/18,394.20
  6. Step 6: Final answer
    x = 7,869.93

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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.