Home / 13,129.05-19,697.63-5,233.98

Finding the Fourth Proportional to 13,129.05, 19,697.63 and 5,233.98

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Solution

The fourth proportional to 13,129.05, 19,697.63 and 5,233.98 is: 7,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129.05 : 19,697.63 = 5,233.98 : x
  2. Step 2: Convert to fraction form
    13,129.05/19,697.63 = 5,233.98/x
  3. Step 3: Cross multiply
    13,129.05x = 19,697.63 × 5,233.98
  4. Step 4: Simplify right side
    13,129.05x = 103,096,975.30
  5. Step 5: Solve for x
    x = 103,096,975.30/13,129.05
  6. Step 6: Final answer
    x = 7,852.58

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Why These Related Problems?

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