Home / 13,380.56-20,057.68-6,348.24

Finding the Fourth Proportional to 13,380.56, 20,057.68 and 6,348.24

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Solution

The fourth proportional to 13,380.56, 20,057.68 and 6,348.24 is: 9,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.56 : 20,057.68 = 6,348.24 : x
  2. Step 2: Convert to fraction form
    13,380.56/20,057.68 = 6,348.24/x
  3. Step 3: Cross multiply
    13,380.56x = 20,057.68 × 6,348.24
  4. Step 4: Simplify right side
    13,380.56x = 127,330,966.48
  5. Step 5: Solve for x
    x = 127,330,966.48/13,380.56
  6. Step 6: Final answer
    x = 9,516.12

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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.