Home / 13,330.37-19,997.60-5,010.96

Finding the Fourth Proportional to 13,330.37, 19,997.60 and 5,010.96

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Solution

The fourth proportional to 13,330.37, 19,997.60 and 5,010.96 is: 7,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.37 : 19,997.60 = 5,010.96 : x
  2. Step 2: Convert to fraction form
    13,330.37/19,997.60 = 5,010.96/x
  3. Step 3: Cross multiply
    13,330.37x = 19,997.60 × 5,010.96
  4. Step 4: Simplify right side
    13,330.37x = 100,207,204.93
  5. Step 5: Solve for x
    x = 100,207,204.93/13,330.37
  6. Step 6: Final answer
    x = 7,517.21

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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.