Home / 26,829.76-40,302.96-18,081.76

Finding the Fourth Proportional to 26,829.76, 40,302.96 and 18,081.76

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Solution

The fourth proportional to 26,829.76, 40,302.96 and 18,081.76 is: 27,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.76 : 40,302.96 = 18,081.76 : x
  2. Step 2: Convert to fraction form
    26,829.76/40,302.96 = 18,081.76/x
  3. Step 3: Cross multiply
    26,829.76x = 40,302.96 × 18,081.76
  4. Step 4: Simplify right side
    26,829.76x = 728,748,450.01
  5. Step 5: Solve for x
    x = 728,748,450.01/26,829.76
  6. Step 6: Final answer
    x = 27,161.94

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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.