Home / 13,928.91-20,893.26-4,575.42

Finding the Fourth Proportional to 13,928.91, 20,893.26 and 4,575.42

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Solution

The fourth proportional to 13,928.91, 20,893.26 and 4,575.42 is: 6,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.91 : 20,893.26 = 4,575.42 : x
  2. Step 2: Convert to fraction form
    13,928.91/20,893.26 = 4,575.42/x
  3. Step 3: Cross multiply
    13,928.91x = 20,893.26 × 4,575.42
  4. Step 4: Simplify right side
    13,928.91x = 95,595,439.67
  5. Step 5: Solve for x
    x = 95,595,439.67/13,928.91
  6. Step 6: Final answer
    x = 6,863.10

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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.