Home / 13,342.65-20,026.07-7,107.94

Finding the Fourth Proportional to 13,342.65, 20,026.07 and 7,107.94

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Solution

The fourth proportional to 13,342.65, 20,026.07 and 7,107.94 is: 10,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.65 : 20,026.07 = 7,107.94 : x
  2. Step 2: Convert to fraction form
    13,342.65/20,026.07 = 7,107.94/x
  3. Step 3: Cross multiply
    13,342.65x = 20,026.07 × 7,107.94
  4. Step 4: Simplify right side
    13,342.65x = 142,344,104.00
  5. Step 5: Solve for x
    x = 142,344,104.00/13,342.65
  6. Step 6: Final answer
    x = 10,668.35

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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.