Home / 13,789.50-19,029.66-7,502.01

Finding the Fourth Proportional to 13,789.50, 19,029.66 and 7,502.01

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Solution

The fourth proportional to 13,789.50, 19,029.66 and 7,502.01 is: 10,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.50 : 19,029.66 = 7,502.01 : x
  2. Step 2: Convert to fraction form
    13,789.50/19,029.66 = 7,502.01/x
  3. Step 3: Cross multiply
    13,789.50x = 19,029.66 × 7,502.01
  4. Step 4: Simplify right side
    13,789.50x = 142,760,699.62
  5. Step 5: Solve for x
    x = 142,760,699.62/13,789.50
  6. Step 6: Final answer
    x = 10,352.86

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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.