Home / 14,545.12-20,074.86-8,576.44

Finding the Fourth Proportional to 14,545.12, 20,074.86 and 8,576.44

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Solution

The fourth proportional to 14,545.12, 20,074.86 and 8,576.44 is: 11,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.12 : 20,074.86 = 8,576.44 : x
  2. Step 2: Convert to fraction form
    14,545.12/20,074.86 = 8,576.44/x
  3. Step 3: Cross multiply
    14,545.12x = 20,074.86 × 8,576.44
  4. Step 4: Simplify right side
    14,545.12x = 172,170,832.30
  5. Step 5: Solve for x
    x = 172,170,832.30/14,545.12
  6. Step 6: Final answer
    x = 11,837.02

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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.