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Finding the Fourth Proportional to 18,859.83, 26,005.10 and 12,044.67

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Solution

The fourth proportional to 18,859.83, 26,005.10 and 12,044.67 is: 16,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.83 : 26,005.10 = 12,044.67 : x
  2. Step 2: Convert to fraction form
    18,859.83/26,005.10 = 12,044.67/x
  3. Step 3: Cross multiply
    18,859.83x = 26,005.10 × 12,044.67
  4. Step 4: Simplify right side
    18,859.83x = 313,222,787.59
  5. Step 5: Solve for x
    x = 313,222,787.59/18,859.83
  6. Step 6: Final answer
    x = 16,607.93

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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.