Home / 16,974.03-23,424.08-9,420.45

Finding the Fourth Proportional to 16,974.03, 23,424.08 and 9,420.45

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Solution

The fourth proportional to 16,974.03, 23,424.08 and 9,420.45 is: 13,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.03 : 23,424.08 = 9,420.45 : x
  2. Step 2: Convert to fraction form
    16,974.03/23,424.08 = 9,420.45/x
  3. Step 3: Cross multiply
    16,974.03x = 23,424.08 × 9,420.45
  4. Step 4: Simplify right side
    16,974.03x = 220,665,374.44
  5. Step 5: Solve for x
    x = 220,665,374.44/16,974.03
  6. Step 6: Final answer
    x = 13,000.18

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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.