Home / 13,945.94-20,919.38-5,063.08

Finding the Fourth Proportional to 13,945.94, 20,919.38 and 5,063.08

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Solution

The fourth proportional to 13,945.94, 20,919.38 and 5,063.08 is: 7,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.94 : 20,919.38 = 5,063.08 : x
  2. Step 2: Convert to fraction form
    13,945.94/20,919.38 = 5,063.08/x
  3. Step 3: Cross multiply
    13,945.94x = 20,919.38 × 5,063.08
  4. Step 4: Simplify right side
    13,945.94x = 105,916,494.49
  5. Step 5: Solve for x
    x = 105,916,494.49/13,945.94
  6. Step 6: Final answer
    x = 7,594.79

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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.