Home / 43,173.60-64,760.32-13,593.92

Finding the Fourth Proportional to 43,173.60, 64,760.32 and 13,593.92

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Solution

The fourth proportional to 43,173.60, 64,760.32 and 13,593.92 is: 20,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.60 : 64,760.32 = 13,593.92 : x
  2. Step 2: Convert to fraction form
    43,173.60/64,760.32 = 13,593.92/x
  3. Step 3: Cross multiply
    43,173.60x = 64,760.32 × 13,593.92
  4. Step 4: Simplify right side
    43,173.60x = 880,346,609.25
  5. Step 5: Solve for x
    x = 880,346,609.25/43,173.60
  6. Step 6: Final answer
    x = 20,390.85

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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.