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Finding the Fourth Proportional to 18,125.44, 24,993.12 and 12,526.72

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Solution

The fourth proportional to 18,125.44, 24,993.12 and 12,526.72 is: 17,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.44 : 24,993.12 = 12,526.72 : x
  2. Step 2: Convert to fraction form
    18,125.44/24,993.12 = 12,526.72/x
  3. Step 3: Cross multiply
    18,125.44x = 24,993.12 × 12,526.72
  4. Step 4: Simplify right side
    18,125.44x = 313,081,816.17
  5. Step 5: Solve for x
    x = 313,081,816.17/18,125.44
  6. Step 6: Final answer
    x = 17,273.06

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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.