Home / 13,961.12-20,945.32-4,602.56

Finding the Fourth Proportional to 13,961.12, 20,945.32 and 4,602.56

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Solution

The fourth proportional to 13,961.12, 20,945.32 and 4,602.56 is: 6,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.12 : 20,945.32 = 4,602.56 : x
  2. Step 2: Convert to fraction form
    13,961.12/20,945.32 = 4,602.56/x
  3. Step 3: Cross multiply
    13,961.12x = 20,945.32 × 4,602.56
  4. Step 4: Simplify right side
    13,961.12x = 96,401,975.79
  5. Step 5: Solve for x
    x = 96,401,975.79/13,961.12
  6. Step 6: Final answer
    x = 6,905.03

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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.