Home / 38,945.14-58,409.51-13,986.61

Finding the Fourth Proportional to 38,945.14, 58,409.51 and 13,986.61

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Solution

The fourth proportional to 38,945.14, 58,409.51 and 13,986.61 is: 20,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.14 : 58,409.51 = 13,986.61 : x
  2. Step 2: Convert to fraction form
    38,945.14/58,409.51 = 13,986.61/x
  3. Step 3: Cross multiply
    38,945.14x = 58,409.51 × 13,986.61
  4. Step 4: Simplify right side
    38,945.14x = 816,950,820.70
  5. Step 5: Solve for x
    x = 816,950,820.70/38,945.14
  6. Step 6: Final answer
    x = 20,976.97

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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.