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Finding the Fourth Proportional to 18,513.01, 27,829.66 and 14,855.25

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Solution

The fourth proportional to 18,513.01, 27,829.66 and 14,855.25 is: 22,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.01 : 27,829.66 = 14,855.25 : x
  2. Step 2: Convert to fraction form
    18,513.01/27,829.66 = 14,855.25/x
  3. Step 3: Cross multiply
    18,513.01x = 27,829.66 × 14,855.25
  4. Step 4: Simplify right side
    18,513.01x = 413,416,651.79
  5. Step 5: Solve for x
    x = 413,416,651.79/18,513.01
  6. Step 6: Final answer
    x = 22,331.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.