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Finding the Fourth Proportional to 14,423.02, 19,902.07 and 8,371.86

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Solution

The fourth proportional to 14,423.02, 19,902.07 and 8,371.86 is: 11,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.02 : 19,902.07 = 8,371.86 : x
  2. Step 2: Convert to fraction form
    14,423.02/19,902.07 = 8,371.86/x
  3. Step 3: Cross multiply
    14,423.02x = 19,902.07 × 8,371.86
  4. Step 4: Simplify right side
    14,423.02x = 166,617,301.89
  5. Step 5: Solve for x
    x = 166,617,301.89/14,423.02
  6. Step 6: Final answer
    x = 11,552.18

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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.