Home / 20,333.15-30,496.64-5,543.25

Finding the Fourth Proportional to 20,333.15, 30,496.64 and 5,543.25

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Solution

The fourth proportional to 20,333.15, 30,496.64 and 5,543.25 is: 8,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.15 : 30,496.64 = 5,543.25 : x
  2. Step 2: Convert to fraction form
    20,333.15/30,496.64 = 5,543.25/x
  3. Step 3: Cross multiply
    20,333.15x = 30,496.64 × 5,543.25
  4. Step 4: Simplify right side
    20,333.15x = 169,050,471.96
  5. Step 5: Solve for x
    x = 169,050,471.96/20,333.15
  6. Step 6: Final answer
    x = 8,314.03

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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.