Home / 13,465.13-20,198.05-4,580.44

Finding the Fourth Proportional to 13,465.13, 20,198.05 and 4,580.44

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Solution

The fourth proportional to 13,465.13, 20,198.05 and 4,580.44 is: 6,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.13 : 20,198.05 = 4,580.44 : x
  2. Step 2: Convert to fraction form
    13,465.13/20,198.05 = 4,580.44/x
  3. Step 3: Cross multiply
    13,465.13x = 20,198.05 × 4,580.44
  4. Step 4: Simplify right side
    13,465.13x = 92,515,894.20
  5. Step 5: Solve for x
    x = 92,515,894.20/13,465.13
  6. Step 6: Final answer
    x = 6,870.78

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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.