Home / 26,512.31-39,768.45-12,462.02

Finding the Fourth Proportional to 26,512.31, 39,768.45 and 12,462.02

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Solution

The fourth proportional to 26,512.31, 39,768.45 and 12,462.02 is: 18,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.31 : 39,768.45 = 12,462.02 : x
  2. Step 2: Convert to fraction form
    26,512.31/39,768.45 = 12,462.02/x
  3. Step 3: Cross multiply
    26,512.31x = 39,768.45 × 12,462.02
  4. Step 4: Simplify right side
    26,512.31x = 495,595,219.27
  5. Step 5: Solve for x
    x = 495,595,219.27/26,512.31
  6. Step 6: Final answer
    x = 18,693.02

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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.