Home / 40,456.60-60,682.73-12,376.66

Finding the Fourth Proportional to 40,456.60, 60,682.73 and 12,376.66

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Solution

The fourth proportional to 40,456.60, 60,682.73 and 12,376.66 is: 18,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.60 : 60,682.73 = 12,376.66 : x
  2. Step 2: Convert to fraction form
    40,456.60/60,682.73 = 12,376.66/x
  3. Step 3: Cross multiply
    40,456.60x = 60,682.73 × 12,376.66
  4. Step 4: Simplify right side
    40,456.60x = 751,049,517.08
  5. Step 5: Solve for x
    x = 751,049,517.08/40,456.60
  6. Step 6: Final answer
    x = 18,564.33

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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.