Home / 43,422.46-65,134.17-15,322.77

Finding the Fourth Proportional to 43,422.46, 65,134.17 and 15,322.77

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Solution

The fourth proportional to 43,422.46, 65,134.17 and 15,322.77 is: 22,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.46 : 65,134.17 = 15,322.77 : x
  2. Step 2: Convert to fraction form
    43,422.46/65,134.17 = 15,322.77/x
  3. Step 3: Cross multiply
    43,422.46x = 65,134.17 × 15,322.77
  4. Step 4: Simplify right side
    43,422.46x = 998,035,906.05
  5. Step 5: Solve for x
    x = 998,035,906.05/43,422.46
  6. Step 6: Final answer
    x = 22,984.33

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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.