Home / 14,746.38-20,350.26-8,372.81

Finding the Fourth Proportional to 14,746.38, 20,350.26 and 8,372.81

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Solution

The fourth proportional to 14,746.38, 20,350.26 and 8,372.81 is: 11,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.38 : 20,350.26 = 8,372.81 : x
  2. Step 2: Convert to fraction form
    14,746.38/20,350.26 = 8,372.81/x
  3. Step 3: Cross multiply
    14,746.38x = 20,350.26 × 8,372.81
  4. Step 4: Simplify right side
    14,746.38x = 170,388,758.68
  5. Step 5: Solve for x
    x = 170,388,758.68/14,746.38
  6. Step 6: Final answer
    x = 11,554.62

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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.