Home / 13,752.96-20,629.44-5,853.12

Finding the Fourth Proportional to 13,752.96, 20,629.44 and 5,853.12

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Solution

The fourth proportional to 13,752.96, 20,629.44 and 5,853.12 is: 8,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.96 : 20,629.44 = 5,853.12 : x
  2. Step 2: Convert to fraction form
    13,752.96/20,629.44 = 5,853.12/x
  3. Step 3: Cross multiply
    13,752.96x = 20,629.44 × 5,853.12
  4. Step 4: Simplify right side
    13,752.96x = 120,746,587.85
  5. Step 5: Solve for x
    x = 120,746,587.85/13,752.96
  6. Step 6: Final answer
    x = 8,779.68

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Similar ratio
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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.