Home / 39,015.75-58,513.83-10,928.54

Finding the Fourth Proportional to 39,015.75, 58,513.83 and 10,928.54

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Solution

The fourth proportional to 39,015.75, 58,513.83 and 10,928.54 is: 16,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.75 : 58,513.83 = 10,928.54 : x
  2. Step 2: Convert to fraction form
    39,015.75/58,513.83 = 10,928.54/x
  3. Step 3: Cross multiply
    39,015.75x = 58,513.83 × 10,928.54
  4. Step 4: Simplify right side
    39,015.75x = 639,470,439.14
  5. Step 5: Solve for x
    x = 639,470,439.14/39,015.75
  6. Step 6: Final answer
    x = 16,390.06

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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.