Home / 13,829.62-20,749.38-5,928.82

Finding the Fourth Proportional to 13,829.62, 20,749.38 and 5,928.82

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Solution

The fourth proportional to 13,829.62, 20,749.38 and 5,928.82 is: 8,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.62 : 20,749.38 = 5,928.82 : x
  2. Step 2: Convert to fraction form
    13,829.62/20,749.38 = 5,928.82/x
  3. Step 3: Cross multiply
    13,829.62x = 20,749.38 × 5,928.82
  4. Step 4: Simplify right side
    13,829.62x = 123,019,339.13
  5. Step 5: Solve for x
    x = 123,019,339.13/13,829.62
  6. Step 6: Final answer
    x = 8,895.35

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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.