Home / 14,761.62-20,369.55-8,300.57

Finding the Fourth Proportional to 14,761.62, 20,369.55 and 8,300.57

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Solution

The fourth proportional to 14,761.62, 20,369.55 and 8,300.57 is: 11,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.62 : 20,369.55 = 8,300.57 : x
  2. Step 2: Convert to fraction form
    14,761.62/20,369.55 = 8,300.57/x
  3. Step 3: Cross multiply
    14,761.62x = 20,369.55 × 8,300.57
  4. Step 4: Simplify right side
    14,761.62x = 169,078,773.80
  5. Step 5: Solve for x
    x = 169,078,773.80/14,761.62
  6. Step 6: Final answer
    x = 11,453.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.