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Finding the Fourth Proportional to 18,735.94, 25,867.65 and 12,024.46

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Solution

The fourth proportional to 18,735.94, 25,867.65 and 12,024.46 is: 16,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.94 : 25,867.65 = 12,024.46 : x
  2. Step 2: Convert to fraction form
    18,735.94/25,867.65 = 12,024.46/x
  3. Step 3: Cross multiply
    18,735.94x = 25,867.65 × 12,024.46
  4. Step 4: Simplify right side
    18,735.94x = 311,044,522.72
  5. Step 5: Solve for x
    x = 311,044,522.72/18,735.94
  6. Step 6: Final answer
    x = 16,601.49

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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.