Home / 26,742.20-40,086.86-12,677.56

Finding the Fourth Proportional to 26,742.20, 40,086.86 and 12,677.56

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Solution

The fourth proportional to 26,742.20, 40,086.86 and 12,677.56 is: 19,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.20 : 40,086.86 = 12,677.56 : x
  2. Step 2: Convert to fraction form
    26,742.20/40,086.86 = 12,677.56/x
  3. Step 3: Cross multiply
    26,742.20x = 40,086.86 × 12,677.56
  4. Step 4: Simplify right side
    26,742.20x = 508,203,572.86
  5. Step 5: Solve for x
    x = 508,203,572.86/26,742.20
  6. Step 6: Final answer
    x = 19,003.81

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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.