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Finding the Fourth Proportional to 18,953.64, 26,154.81 and 10,454.13

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Solution

The fourth proportional to 18,953.64, 26,154.81 and 10,454.13 is: 14,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.64 : 26,154.81 = 10,454.13 : x
  2. Step 2: Convert to fraction form
    18,953.64/26,154.81 = 10,454.13/x
  3. Step 3: Cross multiply
    18,953.64x = 26,154.81 × 10,454.13
  4. Step 4: Simplify right side
    18,953.64x = 273,425,783.87
  5. Step 5: Solve for x
    x = 273,425,783.87/18,953.64
  6. Step 6: Final answer
    x = 14,426.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.