Home / 14,613.05-20,166.23-8,325.29

Finding the Fourth Proportional to 14,613.05, 20,166.23 and 8,325.29

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Solution

The fourth proportional to 14,613.05, 20,166.23 and 8,325.29 is: 11,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.05 : 20,166.23 = 8,325.29 : x
  2. Step 2: Convert to fraction form
    14,613.05/20,166.23 = 8,325.29/x
  3. Step 3: Cross multiply
    14,613.05x = 20,166.23 × 8,325.29
  4. Step 4: Simplify right side
    14,613.05x = 167,889,712.96
  5. Step 5: Solve for x
    x = 167,889,712.96/14,613.05
  6. Step 6: Final answer
    x = 11,489.03

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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.