Home / 43,392.11-65,097.77-18,453.56

Finding the Fourth Proportional to 43,392.11, 65,097.77 and 18,453.56

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Solution

The fourth proportional to 43,392.11, 65,097.77 and 18,453.56 is: 27,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.11 : 65,097.77 = 18,453.56 : x
  2. Step 2: Convert to fraction form
    43,392.11/65,097.77 = 18,453.56/x
  3. Step 3: Cross multiply
    43,392.11x = 65,097.77 × 18,453.56
  4. Step 4: Simplify right side
    43,392.11x = 1,201,285,186.80
  5. Step 5: Solve for x
    x = 1,201,285,186.80/43,392.11
  6. Step 6: Final answer
    x = 27,684.42

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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.