Home / 13,589.76-20,382.30-3,594.60

Finding the Fourth Proportional to 13,589.76, 20,382.30 and 3,594.60

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Solution

The fourth proportional to 13,589.76, 20,382.30 and 3,594.60 is: 5,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.76 : 20,382.30 = 3,594.60 : x
  2. Step 2: Convert to fraction form
    13,589.76/20,382.30 = 3,594.60/x
  3. Step 3: Cross multiply
    13,589.76x = 20,382.30 × 3,594.60
  4. Step 4: Simplify right side
    13,589.76x = 73,266,215.58
  5. Step 5: Solve for x
    x = 73,266,215.58/13,589.76
  6. Step 6: Final answer
    x = 5,391.28

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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.