Home / 13,454.46-20,181.69-3,593.79

Finding the Fourth Proportional to 13,454.46, 20,181.69 and 3,593.79

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Solution

The fourth proportional to 13,454.46, 20,181.69 and 3,593.79 is: 5,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.46 : 20,181.69 = 3,593.79 : x
  2. Step 2: Convert to fraction form
    13,454.46/20,181.69 = 3,593.79/x
  3. Step 3: Cross multiply
    13,454.46x = 20,181.69 × 3,593.79
  4. Step 4: Simplify right side
    13,454.46x = 72,528,755.71
  5. Step 5: Solve for x
    x = 72,528,755.71/13,454.46
  6. Step 6: Final answer
    x = 5,390.69

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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.