Home / 14,194.40-21,241.20-12,365.60

Finding the Fourth Proportional to 14,194.40, 21,241.20 and 12,365.60

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Solution

The fourth proportional to 14,194.40, 21,241.20 and 12,365.60 is: 18,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.40 : 21,241.20 = 12,365.60 : x
  2. Step 2: Convert to fraction form
    14,194.40/21,241.20 = 12,365.60/x
  3. Step 3: Cross multiply
    14,194.40x = 21,241.20 × 12,365.60
  4. Step 4: Simplify right side
    14,194.40x = 262,660,182.72
  5. Step 5: Solve for x
    x = 262,660,182.72/14,194.40
  6. Step 6: Final answer
    x = 18,504.49

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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.