Home / 14,175.76-19,563.24-8,206.36

Finding the Fourth Proportional to 14,175.76, 19,563.24 and 8,206.36

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Solution

The fourth proportional to 14,175.76, 19,563.24 and 8,206.36 is: 11,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.76 : 19,563.24 = 8,206.36 : x
  2. Step 2: Convert to fraction form
    14,175.76/19,563.24 = 8,206.36/x
  3. Step 3: Cross multiply
    14,175.76x = 19,563.24 × 8,206.36
  4. Step 4: Simplify right side
    14,175.76x = 160,542,990.21
  5. Step 5: Solve for x
    x = 160,542,990.21/14,175.76
  6. Step 6: Final answer
    x = 11,325.18

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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.