Home / 13,589.16-20,380.04-3,726.09

Finding the Fourth Proportional to 13,589.16, 20,380.04 and 3,726.09

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Solution

The fourth proportional to 13,589.16, 20,380.04 and 3,726.09 is: 5,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.16 : 20,380.04 = 3,726.09 : x
  2. Step 2: Convert to fraction form
    13,589.16/20,380.04 = 3,726.09/x
  3. Step 3: Cross multiply
    13,589.16x = 20,380.04 × 3,726.09
  4. Step 4: Simplify right side
    13,589.16x = 75,937,863.24
  5. Step 5: Solve for x
    x = 75,937,863.24/13,589.16
  6. Step 6: Final answer
    x = 5,588.12

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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.