Home / 13,951.56-19,253.60-7,664.08

Finding the Fourth Proportional to 13,951.56, 19,253.60 and 7,664.08

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Solution

The fourth proportional to 13,951.56, 19,253.60 and 7,664.08 is: 10,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.56 : 19,253.60 = 7,664.08 : x
  2. Step 2: Convert to fraction form
    13,951.56/19,253.60 = 7,664.08/x
  3. Step 3: Cross multiply
    13,951.56x = 19,253.60 × 7,664.08
  4. Step 4: Simplify right side
    13,951.56x = 147,561,130.69
  5. Step 5: Solve for x
    x = 147,561,130.69/13,951.56
  6. Step 6: Final answer
    x = 10,576.68

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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.