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Finding the Fourth Proportional to 18,297.64, 25,251.23 and 10,339.68

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Solution

The fourth proportional to 18,297.64, 25,251.23 and 10,339.68 is: 14,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.64 : 25,251.23 = 10,339.68 : x
  2. Step 2: Convert to fraction form
    18,297.64/25,251.23 = 10,339.68/x
  3. Step 3: Cross multiply
    18,297.64x = 25,251.23 × 10,339.68
  4. Step 4: Simplify right side
    18,297.64x = 261,089,637.81
  5. Step 5: Solve for x
    x = 261,089,637.81/18,297.64
  6. Step 6: Final answer
    x = 14,269.03

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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.