Home / 43,174.90-64,766.67-12,010.15

Finding the Fourth Proportional to 43,174.90, 64,766.67 and 12,010.15

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Solution

The fourth proportional to 43,174.90, 64,766.67 and 12,010.15 is: 18,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.90 : 64,766.67 = 12,010.15 : x
  2. Step 2: Convert to fraction form
    43,174.90/64,766.67 = 12,010.15/x
  3. Step 3: Cross multiply
    43,174.90x = 64,766.67 × 12,010.15
  4. Step 4: Simplify right side
    43,174.90x = 777,857,421.70
  5. Step 5: Solve for x
    x = 777,857,421.70/43,174.90
  6. Step 6: Final answer
    x = 18,016.43

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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.