Home / 13,293.10-19,933.30-7,748.04

Finding the Fourth Proportional to 13,293.10, 19,933.30 and 7,748.04

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Solution

The fourth proportional to 13,293.10, 19,933.30 and 7,748.04 is: 11,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.10 : 19,933.30 = 7,748.04 : x
  2. Step 2: Convert to fraction form
    13,293.10/19,933.30 = 7,748.04/x
  3. Step 3: Cross multiply
    13,293.10x = 19,933.30 × 7,748.04
  4. Step 4: Simplify right side
    13,293.10x = 154,444,005.73
  5. Step 5: Solve for x
    x = 154,444,005.73/13,293.10
  6. Step 6: Final answer
    x = 11,618.36

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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.