Home / 13,796.38-20,689.35-5,898.57

Finding the Fourth Proportional to 13,796.38, 20,689.35 and 5,898.57

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Solution

The fourth proportional to 13,796.38, 20,689.35 and 5,898.57 is: 8,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.38 : 20,689.35 = 5,898.57 : x
  2. Step 2: Convert to fraction form
    13,796.38/20,689.35 = 5,898.57/x
  3. Step 3: Cross multiply
    13,796.38x = 20,689.35 × 5,898.57
  4. Step 4: Simplify right side
    13,796.38x = 122,037,475.78
  5. Step 5: Solve for x
    x = 122,037,475.78/13,796.38
  6. Step 6: Final answer
    x = 8,845.62

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1.5x scale

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.