Home / 14,791.38-20,411.24-8,503.76

Finding the Fourth Proportional to 14,791.38, 20,411.24 and 8,503.76

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Solution

The fourth proportional to 14,791.38, 20,411.24 and 8,503.76 is: 11,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.38 : 20,411.24 = 8,503.76 : x
  2. Step 2: Convert to fraction form
    14,791.38/20,411.24 = 8,503.76/x
  3. Step 3: Cross multiply
    14,791.38x = 20,411.24 × 8,503.76
  4. Step 4: Simplify right side
    14,791.38x = 173,572,141.69
  5. Step 5: Solve for x
    x = 173,572,141.69/14,791.38
  6. Step 6: Final answer
    x = 11,734.68

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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.