Home / 18,191.60-27,295.68-8,826.56

Finding the Fourth Proportional to 18,191.60, 27,295.68 and 8,826.56

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Solution

The fourth proportional to 18,191.60, 27,295.68 and 8,826.56 is: 13,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.60 : 27,295.68 = 8,826.56 : x
  2. Step 2: Convert to fraction form
    18,191.60/27,295.68 = 8,826.56/x
  3. Step 3: Cross multiply
    18,191.60x = 27,295.68 × 8,826.56
  4. Step 4: Simplify right side
    18,191.60x = 240,926,957.26
  5. Step 5: Solve for x
    x = 240,926,957.26/18,191.60
  6. Step 6: Final answer
    x = 13,243.86

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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.