Home / 43,356.33-65,034.52-12,191.58

Finding the Fourth Proportional to 43,356.33, 65,034.52 and 12,191.58

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Solution

The fourth proportional to 43,356.33, 65,034.52 and 12,191.58 is: 18,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.33 : 65,034.52 = 12,191.58 : x
  2. Step 2: Convert to fraction form
    43,356.33/65,034.52 = 12,191.58/x
  3. Step 3: Cross multiply
    43,356.33x = 65,034.52 × 12,191.58
  4. Step 4: Simplify right side
    43,356.33x = 792,873,553.34
  5. Step 5: Solve for x
    x = 792,873,553.34/43,356.33
  6. Step 6: Final answer
    x = 18,287.38

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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.