Home / 13,928.73-20,890.91-4,568.55

Finding the Fourth Proportional to 13,928.73, 20,890.91 and 4,568.55

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Solution

The fourth proportional to 13,928.73, 20,890.91 and 4,568.55 is: 6,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.73 : 20,890.91 = 4,568.55 : x
  2. Step 2: Convert to fraction form
    13,928.73/20,890.91 = 4,568.55/x
  3. Step 3: Cross multiply
    13,928.73x = 20,890.91 × 4,568.55
  4. Step 4: Simplify right side
    13,928.73x = 95,441,062.43
  5. Step 5: Solve for x
    x = 95,441,062.43/13,928.73
  6. Step 6: Final answer
    x = 6,852.10

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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.