Home / 15,537.28-21,440.74-8,463.68

Finding the Fourth Proportional to 15,537.28, 21,440.74 and 8,463.68

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Solution

The fourth proportional to 15,537.28, 21,440.74 and 8,463.68 is: 11,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.28 : 21,440.74 = 8,463.68 : x
  2. Step 2: Convert to fraction form
    15,537.28/21,440.74 = 8,463.68/x
  3. Step 3: Cross multiply
    15,537.28x = 21,440.74 × 8,463.68
  4. Step 4: Simplify right side
    15,537.28x = 181,467,562.32
  5. Step 5: Solve for x
    x = 181,467,562.32/15,537.28
  6. Step 6: Final answer
    x = 11,679.49

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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.