Home / 13,922.40-20,883.60-4,562.40

Finding the Fourth Proportional to 13,922.40, 20,883.60 and 4,562.40

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Solution

The fourth proportional to 13,922.40, 20,883.60 and 4,562.40 is: 6,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.40 : 20,883.60 = 4,562.40 : x
  2. Step 2: Convert to fraction form
    13,922.40/20,883.60 = 4,562.40/x
  3. Step 3: Cross multiply
    13,922.40x = 20,883.60 × 4,562.40
  4. Step 4: Simplify right side
    13,922.40x = 95,279,336.64
  5. Step 5: Solve for x
    x = 95,279,336.64/13,922.40
  6. Step 6: Final answer
    x = 6,843.60

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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.