Home / 13,546.24-18,695.58-7,578.16

Finding the Fourth Proportional to 13,546.24, 18,695.58 and 7,578.16

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Solution

The fourth proportional to 13,546.24, 18,695.58 and 7,578.16 is: 10,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.24 : 18,695.58 = 7,578.16 : x
  2. Step 2: Convert to fraction form
    13,546.24/18,695.58 = 7,578.16/x
  3. Step 3: Cross multiply
    13,546.24x = 18,695.58 × 7,578.16
  4. Step 4: Simplify right side
    13,546.24x = 141,678,096.53
  5. Step 5: Solve for x
    x = 141,678,096.53/13,546.24
  6. Step 6: Final answer
    x = 10,458.85

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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.