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Finding the Fourth Proportional to 18,892.16, 26,073.02 and 14,103.79

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Solution

The fourth proportional to 18,892.16, 26,073.02 and 14,103.79 is: 19,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.16 : 26,073.02 = 14,103.79 : x
  2. Step 2: Convert to fraction form
    18,892.16/26,073.02 = 14,103.79/x
  3. Step 3: Cross multiply
    18,892.16x = 26,073.02 × 14,103.79
  4. Step 4: Simplify right side
    18,892.16x = 367,728,263.04
  5. Step 5: Solve for x
    x = 367,728,263.04/18,892.16
  6. Step 6: Final answer
    x = 19,464.60

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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.