Home / 13,513.05-20,269.49-4,628.43

Finding the Fourth Proportional to 13,513.05, 20,269.49 and 4,628.43

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Solution

The fourth proportional to 13,513.05, 20,269.49 and 4,628.43 is: 6,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.05 : 20,269.49 = 4,628.43 : x
  2. Step 2: Convert to fraction form
    13,513.05/20,269.49 = 4,628.43/x
  3. Step 3: Cross multiply
    13,513.05x = 20,269.49 × 4,628.43
  4. Step 4: Simplify right side
    13,513.05x = 93,815,892.46
  5. Step 5: Solve for x
    x = 93,815,892.46/13,513.05
  6. Step 6: Final answer
    x = 6,942.61

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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.