Home / 25,589.11-38,336.90-18,551.68

Finding the Fourth Proportional to 25,589.11, 38,336.90 and 18,551.68

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Solution

The fourth proportional to 25,589.11, 38,336.90 and 18,551.68 is: 27,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.11 : 38,336.90 = 18,551.68 : x
  2. Step 2: Convert to fraction form
    25,589.11/38,336.90 = 18,551.68/x
  3. Step 3: Cross multiply
    25,589.11x = 38,336.90 × 18,551.68
  4. Step 4: Simplify right side
    25,589.11x = 711,213,900.99
  5. Step 5: Solve for x
    x = 711,213,900.99/25,589.11
  6. Step 6: Final answer
    x = 27,793.62

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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.