Home / 26,250.86-39,343.48-18,742.76

Finding the Fourth Proportional to 26,250.86, 39,343.48 and 18,742.76

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Solution

The fourth proportional to 26,250.86, 39,343.48 and 18,742.76 is: 28,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,250.86 : 39,343.48 = 18,742.76 : x
  2. Step 2: Convert to fraction form
    26,250.86/39,343.48 = 18,742.76/x
  3. Step 3: Cross multiply
    26,250.86x = 39,343.48 × 18,742.76
  4. Step 4: Simplify right side
    26,250.86x = 737,405,403.20
  5. Step 5: Solve for x
    x = 737,405,403.20/26,250.86
  6. Step 6: Final answer
    x = 28,090.71

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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.