Home / 13,589.93-20,382.71-3,726.90

Finding the Fourth Proportional to 13,589.93, 20,382.71 and 3,726.90

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Solution

The fourth proportional to 13,589.93, 20,382.71 and 3,726.90 is: 5,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.93 : 20,382.71 = 3,726.90 : x
  2. Step 2: Convert to fraction form
    13,589.93/20,382.71 = 3,726.90/x
  3. Step 3: Cross multiply
    13,589.93x = 20,382.71 × 3,726.90
  4. Step 4: Simplify right side
    13,589.93x = 75,964,303.26
  5. Step 5: Solve for x
    x = 75,964,303.26/13,589.93
  6. Step 6: Final answer
    x = 5,589.75

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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.