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Finding the Fourth Proportional to 18,066.78, 24,918.10 and 13,807.26

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Solution

The fourth proportional to 18,066.78, 24,918.10 and 13,807.26 is: 19,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.78 : 24,918.10 = 13,807.26 : x
  2. Step 2: Convert to fraction form
    18,066.78/24,918.10 = 13,807.26/x
  3. Step 3: Cross multiply
    18,066.78x = 24,918.10 × 13,807.26
  4. Step 4: Simplify right side
    18,066.78x = 344,050,650.89
  5. Step 5: Solve for x
    x = 344,050,650.89/18,066.78
  6. Step 6: Final answer
    x = 19,043.27

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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.