Home / 43,535.36-65,303.11-11,945.85

Finding the Fourth Proportional to 43,535.36, 65,303.11 and 11,945.85

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Solution

The fourth proportional to 43,535.36, 65,303.11 and 11,945.85 is: 17,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,535.36 : 65,303.11 = 11,945.85 : x
  2. Step 2: Convert to fraction form
    43,535.36/65,303.11 = 11,945.85/x
  3. Step 3: Cross multiply
    43,535.36x = 65,303.11 × 11,945.85
  4. Step 4: Simplify right side
    43,535.36x = 780,101,156.59
  5. Step 5: Solve for x
    x = 780,101,156.59/43,535.36
  6. Step 6: Final answer
    x = 17,918.79

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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.