Home / 13,539.24-20,310.48-5,747.04

Finding the Fourth Proportional to 13,539.24, 20,310.48 and 5,747.04

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Solution

The fourth proportional to 13,539.24, 20,310.48 and 5,747.04 is: 8,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.24 : 20,310.48 = 5,747.04 : x
  2. Step 2: Convert to fraction form
    13,539.24/20,310.48 = 5,747.04/x
  3. Step 3: Cross multiply
    13,539.24x = 20,310.48 × 5,747.04
  4. Step 4: Simplify right side
    13,539.24x = 116,725,140.98
  5. Step 5: Solve for x
    x = 116,725,140.98/13,539.24
  6. Step 6: Final answer
    x = 8,621.25

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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.