Home / 13,624.52-20,436.57-3,763.58

Finding the Fourth Proportional to 13,624.52, 20,436.57 and 3,763.58

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Solution

The fourth proportional to 13,624.52, 20,436.57 and 3,763.58 is: 5,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.52 : 20,436.57 = 3,763.58 : x
  2. Step 2: Convert to fraction form
    13,624.52/20,436.57 = 3,763.58/x
  3. Step 3: Cross multiply
    13,624.52x = 20,436.57 × 3,763.58
  4. Step 4: Simplify right side
    13,624.52x = 76,914,563.94
  5. Step 5: Solve for x
    x = 76,914,563.94/13,624.52
  6. Step 6: Final answer
    x = 5,645.31

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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.