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Finding the Fourth Proportional to 18,302.01, 25,269.80 and 14,467.92

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Solution

The fourth proportional to 18,302.01, 25,269.80 and 14,467.92 is: 19,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.01 : 25,269.80 = 14,467.92 : x
  2. Step 2: Convert to fraction form
    18,302.01/25,269.80 = 14,467.92/x
  3. Step 3: Cross multiply
    18,302.01x = 25,269.80 × 14,467.92
  4. Step 4: Simplify right side
    18,302.01x = 365,601,444.82
  5. Step 5: Solve for x
    x = 365,601,444.82/18,302.01
  6. Step 6: Final answer
    x = 19,976.03

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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.