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Finding the Fourth Proportional to 18,859.16, 26,037.73 and 16,839.09

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Solution

The fourth proportional to 18,859.16, 26,037.73 and 16,839.09 is: 23,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.16 : 26,037.73 = 16,839.09 : x
  2. Step 2: Convert to fraction form
    18,859.16/26,037.73 = 16,839.09/x
  3. Step 3: Cross multiply
    18,859.16x = 26,037.73 × 16,839.09
  4. Step 4: Simplify right side
    18,859.16x = 438,451,678.87
  5. Step 5: Solve for x
    x = 438,451,678.87/18,859.16
  6. Step 6: Final answer
    x = 23,248.74

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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.