Home / 14,613.67-20,168.18-8,328.07

Finding the Fourth Proportional to 14,613.67, 20,168.18 and 8,328.07

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Solution

The fourth proportional to 14,613.67, 20,168.18 and 8,328.07 is: 11,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.67 : 20,168.18 = 8,328.07 : x
  2. Step 2: Convert to fraction form
    14,613.67/20,168.18 = 8,328.07/x
  3. Step 3: Cross multiply
    14,613.67x = 20,168.18 × 8,328.07
  4. Step 4: Simplify right side
    14,613.67x = 167,961,953.98
  5. Step 5: Solve for x
    x = 167,961,953.98/14,613.67
  6. Step 6: Final answer
    x = 11,493.48

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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.