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Finding the Fourth Proportional to 18,604.35, 25,659.16 and 12,237.48

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Solution

The fourth proportional to 18,604.35, 25,659.16 and 12,237.48 is: 16,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.35 : 25,659.16 = 12,237.48 : x
  2. Step 2: Convert to fraction form
    18,604.35/25,659.16 = 12,237.48/x
  3. Step 3: Cross multiply
    18,604.35x = 25,659.16 × 12,237.48
  4. Step 4: Simplify right side
    18,604.35x = 314,003,457.32
  5. Step 5: Solve for x
    x = 314,003,457.32/18,604.35
  6. Step 6: Final answer
    x = 16,877.96

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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.