Home / 26,741.72-40,120.68-12,712.52

Finding the Fourth Proportional to 26,741.72, 40,120.68 and 12,712.52

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Solution

The fourth proportional to 26,741.72, 40,120.68 and 12,712.52 is: 19,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,741.72 : 40,120.68 = 12,712.52 : x
  2. Step 2: Convert to fraction form
    26,741.72/40,120.68 = 12,712.52/x
  3. Step 3: Cross multiply
    26,741.72x = 40,120.68 × 12,712.52
  4. Step 4: Simplify right side
    26,741.72x = 510,034,946.91
  5. Step 5: Solve for x
    x = 510,034,946.91/26,741.72
  6. Step 6: Final answer
    x = 19,072.63

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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.