Home / 13,082.07-19,620.33-4,314.90

Finding the Fourth Proportional to 13,082.07, 19,620.33 and 4,314.90

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Solution

The fourth proportional to 13,082.07, 19,620.33 and 4,314.90 is: 6,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.07 : 19,620.33 = 4,314.90 : x
  2. Step 2: Convert to fraction form
    13,082.07/19,620.33 = 4,314.90/x
  3. Step 3: Cross multiply
    13,082.07x = 19,620.33 × 4,314.90
  4. Step 4: Simplify right side
    13,082.07x = 84,659,761.92
  5. Step 5: Solve for x
    x = 84,659,761.92/13,082.07
  6. Step 6: Final answer
    x = 6,471.43

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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.