Home / 26,491.85-39,756.45-12,452.52

Finding the Fourth Proportional to 26,491.85, 39,756.45 and 12,452.52

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Solution

The fourth proportional to 26,491.85, 39,756.45 and 12,452.52 is: 18,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.85 : 39,756.45 = 12,452.52 : x
  2. Step 2: Convert to fraction form
    26,491.85/39,756.45 = 12,452.52/x
  3. Step 3: Cross multiply
    26,491.85x = 39,756.45 × 12,452.52
  4. Step 4: Simplify right side
    26,491.85x = 495,067,988.75
  5. Step 5: Solve for x
    x = 495,067,988.75/26,491.85
  6. Step 6: Final answer
    x = 18,687.56

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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.