Home / 13,336.08-20,001.84-5,542.80

Finding the Fourth Proportional to 13,336.08, 20,001.84 and 5,542.80

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Solution

The fourth proportional to 13,336.08, 20,001.84 and 5,542.80 is: 8,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.08 : 20,001.84 = 5,542.80 : x
  2. Step 2: Convert to fraction form
    13,336.08/20,001.84 = 5,542.80/x
  3. Step 3: Cross multiply
    13,336.08x = 20,001.84 × 5,542.80
  4. Step 4: Simplify right side
    13,336.08x = 110,866,198.75
  5. Step 5: Solve for x
    x = 110,866,198.75/13,336.08
  6. Step 6: Final answer
    x = 8,313.25

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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.