Home / 19,754.56-29,643.48-7,283.36

Finding the Fourth Proportional to 19,754.56, 29,643.48 and 7,283.36

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Solution

The fourth proportional to 19,754.56, 29,643.48 and 7,283.36 is: 10,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.56 : 29,643.48 = 7,283.36 : x
  2. Step 2: Convert to fraction form
    19,754.56/29,643.48 = 7,283.36/x
  3. Step 3: Cross multiply
    19,754.56x = 29,643.48 × 7,283.36
  4. Step 4: Simplify right side
    19,754.56x = 215,904,136.49
  5. Step 5: Solve for x
    x = 215,904,136.49/19,754.56
  6. Step 6: Final answer
    x = 10,929.33

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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.