Home / 13,695.96-20,543.94-5,799.72

Finding the Fourth Proportional to 13,695.96, 20,543.94 and 5,799.72

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Solution

The fourth proportional to 13,695.96, 20,543.94 and 5,799.72 is: 8,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.96 : 20,543.94 = 5,799.72 : x
  2. Step 2: Convert to fraction form
    13,695.96/20,543.94 = 5,799.72/x
  3. Step 3: Cross multiply
    13,695.96x = 20,543.94 × 5,799.72
  4. Step 4: Simplify right side
    13,695.96x = 119,149,099.70
  5. Step 5: Solve for x
    x = 119,149,099.70/13,695.96
  6. Step 6: Final answer
    x = 8,699.58

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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.