Home / 43,597.45-65,388.68-12,000.48

Finding the Fourth Proportional to 43,597.45, 65,388.68 and 12,000.48

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Solution

The fourth proportional to 43,597.45, 65,388.68 and 12,000.48 is: 17,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,597.45 : 65,388.68 = 12,000.48 : x
  2. Step 2: Convert to fraction form
    43,597.45/65,388.68 = 12,000.48/x
  3. Step 3: Cross multiply
    43,597.45x = 65,388.68 × 12,000.48
  4. Step 4: Simplify right side
    43,597.45x = 784,695,487.14
  5. Step 5: Solve for x
    x = 784,695,487.14/43,597.45
  6. Step 6: Final answer
    x = 17,998.66

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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.