Home / 14,125.52-21,221.36-13,327.60

Finding the Fourth Proportional to 14,125.52, 21,221.36 and 13,327.60

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Solution

The fourth proportional to 14,125.52, 21,221.36 and 13,327.60 is: 20,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.52 : 21,221.36 = 13,327.60 : x
  2. Step 2: Convert to fraction form
    14,125.52/21,221.36 = 13,327.60/x
  3. Step 3: Cross multiply
    14,125.52x = 21,221.36 × 13,327.60
  4. Step 4: Simplify right side
    14,125.52x = 282,829,797.54
  5. Step 5: Solve for x
    x = 282,829,797.54/14,125.52
  6. Step 6: Final answer
    x = 20,022.61

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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.