Home / 13,589.68-20,382.33-3,726.67

Finding the Fourth Proportional to 13,589.68, 20,382.33 and 3,726.67

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Solution

The fourth proportional to 13,589.68, 20,382.33 and 3,726.67 is: 5,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.68 : 20,382.33 = 3,726.67 : x
  2. Step 2: Convert to fraction form
    13,589.68/20,382.33 = 3,726.67/x
  3. Step 3: Cross multiply
    13,589.68x = 20,382.33 × 3,726.67
  4. Step 4: Simplify right side
    13,589.68x = 75,958,217.74
  5. Step 5: Solve for x
    x = 75,958,217.74/13,589.68
  6. Step 6: Final answer
    x = 5,589.40

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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.