Home / 32,145.05-48,194.22-13,430.44

Finding the Fourth Proportional to 32,145.05, 48,194.22 and 13,430.44

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Solution

The fourth proportional to 32,145.05, 48,194.22 and 13,430.44 is: 20,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.05 : 48,194.22 = 13,430.44 : x
  2. Step 2: Convert to fraction form
    32,145.05/48,194.22 = 13,430.44/x
  3. Step 3: Cross multiply
    32,145.05x = 48,194.22 × 13,430.44
  4. Step 4: Simplify right side
    32,145.05x = 647,269,575.12
  5. Step 5: Solve for x
    x = 647,269,575.12/32,145.05
  6. Step 6: Final answer
    x = 20,135.90

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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.