Home / 43,039.50-64,562.96-11,874.75

Finding the Fourth Proportional to 43,039.50, 64,562.96 and 11,874.75

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Solution

The fourth proportional to 43,039.50, 64,562.96 and 11,874.75 is: 17,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.50 : 64,562.96 = 11,874.75 : x
  2. Step 2: Convert to fraction form
    43,039.50/64,562.96 = 11,874.75/x
  3. Step 3: Cross multiply
    43,039.50x = 64,562.96 × 11,874.75
  4. Step 4: Simplify right side
    43,039.50x = 766,669,009.26
  5. Step 5: Solve for x
    x = 766,669,009.26/43,039.50
  6. Step 6: Final answer
    x = 17,813.15

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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.