Home / 13,516.44-18,652.64-7,548.11

Finding the Fourth Proportional to 13,516.44, 18,652.64 and 7,548.11

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Solution

The fourth proportional to 13,516.44, 18,652.64 and 7,548.11 is: 10,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.44 : 18,652.64 = 7,548.11 : x
  2. Step 2: Convert to fraction form
    13,516.44/18,652.64 = 7,548.11/x
  3. Step 3: Cross multiply
    13,516.44x = 18,652.64 × 7,548.11
  4. Step 4: Simplify right side
    13,516.44x = 140,792,178.51
  5. Step 5: Solve for x
    x = 140,792,178.51/13,516.44
  6. Step 6: Final answer
    x = 10,416.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.