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Finding the Fourth Proportional to 18,548.76, 25,596.90 and 10,164.72

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Solution

The fourth proportional to 18,548.76, 25,596.90 and 10,164.72 is: 14,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.76 : 25,596.90 = 10,164.72 : x
  2. Step 2: Convert to fraction form
    18,548.76/25,596.90 = 10,164.72/x
  3. Step 3: Cross multiply
    18,548.76x = 25,596.90 × 10,164.72
  4. Step 4: Simplify right side
    18,548.76x = 260,185,321.37
  5. Step 5: Solve for x
    x = 260,185,321.37/18,548.76
  6. Step 6: Final answer
    x = 14,027.10

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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.