Home / 14,243.47-21,369.96-8,972.39

Finding the Fourth Proportional to 14,243.47, 21,369.96 and 8,972.39

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Solution

The fourth proportional to 14,243.47, 21,369.96 and 8,972.39 is: 13,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.47 : 21,369.96 = 8,972.39 : x
  2. Step 2: Convert to fraction form
    14,243.47/21,369.96 = 8,972.39/x
  3. Step 3: Cross multiply
    14,243.47x = 21,369.96 × 8,972.39
  4. Step 4: Simplify right side
    14,243.47x = 191,739,668.83
  5. Step 5: Solve for x
    x = 191,739,668.83/14,243.47
  6. Step 6: Final answer
    x = 13,461.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.