Home / 13,126.27-19,687.94-4,690.97

Finding the Fourth Proportional to 13,126.27, 19,687.94 and 4,690.97

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Solution

The fourth proportional to 13,126.27, 19,687.94 and 4,690.97 is: 7,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.27 : 19,687.94 = 4,690.97 : x
  2. Step 2: Convert to fraction form
    13,126.27/19,687.94 = 4,690.97/x
  3. Step 3: Cross multiply
    13,126.27x = 19,687.94 × 4,690.97
  4. Step 4: Simplify right side
    13,126.27x = 92,355,535.90
  5. Step 5: Solve for x
    x = 92,355,535.90/13,126.27
  6. Step 6: Final answer
    x = 7,035.93

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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.