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Finding the Fourth Proportional to 18,773.70, 25,904.82 and 10,814.37

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Solution

The fourth proportional to 18,773.70, 25,904.82 and 10,814.37 is: 14,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.70 : 25,904.82 = 10,814.37 : x
  2. Step 2: Convert to fraction form
    18,773.70/25,904.82 = 10,814.37/x
  3. Step 3: Cross multiply
    18,773.70x = 25,904.82 × 10,814.37
  4. Step 4: Simplify right side
    18,773.70x = 280,144,308.26
  5. Step 5: Solve for x
    x = 280,144,308.26/18,773.70
  6. Step 6: Final answer
    x = 14,922.17

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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.