Home / 13,755.60-20,625.66-4,393.42

Finding the Fourth Proportional to 13,755.60, 20,625.66 and 4,393.42

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Solution

The fourth proportional to 13,755.60, 20,625.66 and 4,393.42 is: 6,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.60 : 20,625.66 = 4,393.42 : x
  2. Step 2: Convert to fraction form
    13,755.60/20,625.66 = 4,393.42/x
  3. Step 3: Cross multiply
    13,755.60x = 20,625.66 × 4,393.42
  4. Step 4: Simplify right side
    13,755.60x = 90,617,212.94
  5. Step 5: Solve for x
    x = 90,617,212.94/13,755.60
  6. Step 6: Final answer
    x = 6,587.66

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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.