Home / 13,563.38-20,344.80-3,703.52

Finding the Fourth Proportional to 13,563.38, 20,344.80 and 3,703.52

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Solution

The fourth proportional to 13,563.38, 20,344.80 and 3,703.52 is: 5,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.38 : 20,344.80 = 3,703.52 : x
  2. Step 2: Convert to fraction form
    13,563.38/20,344.80 = 3,703.52/x
  3. Step 3: Cross multiply
    13,563.38x = 20,344.80 × 3,703.52
  4. Step 4: Simplify right side
    13,563.38x = 75,347,373.70
  5. Step 5: Solve for x
    x = 75,347,373.70/13,563.38
  6. Step 6: Final answer
    x = 5,555.21

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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.