Home / 43,534.58-65,301.94-11,945.07

Finding the Fourth Proportional to 43,534.58, 65,301.94 and 11,945.07

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Solution

The fourth proportional to 43,534.58, 65,301.94 and 11,945.07 is: 17,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,534.58 : 65,301.94 = 11,945.07 : x
  2. Step 2: Convert to fraction form
    43,534.58/65,301.94 = 11,945.07/x
  3. Step 3: Cross multiply
    43,534.58x = 65,301.94 × 11,945.07
  4. Step 4: Simplify right side
    43,534.58x = 780,036,214.57
  5. Step 5: Solve for x
    x = 780,036,214.57/43,534.58
  6. Step 6: Final answer
    x = 17,917.63

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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.