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Finding the Fourth Proportional to 17,814.66, 26,730.89 and 11,894.77

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Solution

The fourth proportional to 17,814.66, 26,730.89 and 11,894.77 is: 17,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,814.66 : 26,730.89 = 11,894.77 : x
  2. Step 2: Convert to fraction form
    17,814.66/26,730.89 = 11,894.77/x
  3. Step 3: Cross multiply
    17,814.66x = 26,730.89 × 11,894.77
  4. Step 4: Simplify right side
    17,814.66x = 317,957,788.45
  5. Step 5: Solve for x
    x = 317,957,788.45/17,814.66
  6. Step 6: Final answer
    x = 17,848.10

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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.