Home / 13,942.33-19,239.22-7,973.03

Finding the Fourth Proportional to 13,942.33, 19,239.22 and 7,973.03

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Solution

The fourth proportional to 13,942.33, 19,239.22 and 7,973.03 is: 11,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.33 : 19,239.22 = 7,973.03 : x
  2. Step 2: Convert to fraction form
    13,942.33/19,239.22 = 7,973.03/x
  3. Step 3: Cross multiply
    13,942.33x = 19,239.22 × 7,973.03
  4. Step 4: Simplify right side
    13,942.33x = 153,394,936.30
  5. Step 5: Solve for x
    x = 153,394,936.30/13,942.33
  6. Step 6: Final answer
    x = 11,002.10

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1.5x scale

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.