Home / 13,454.57-20,181.85-3,593.33

Finding the Fourth Proportional to 13,454.57, 20,181.85 and 3,593.33

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Solution

The fourth proportional to 13,454.57, 20,181.85 and 3,593.33 is: 5,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.57 : 20,181.85 = 3,593.33 : x
  2. Step 2: Convert to fraction form
    13,454.57/20,181.85 = 3,593.33/x
  3. Step 3: Cross multiply
    13,454.57x = 20,181.85 × 3,593.33
  4. Step 4: Simplify right side
    13,454.57x = 72,519,937.17
  5. Step 5: Solve for x
    x = 72,519,937.17/13,454.57
  6. Step 6: Final answer
    x = 5,389.99

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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.