Home / 19,553.10-29,331.02-7,866.37

Finding the Fourth Proportional to 19,553.10, 29,331.02 and 7,866.37

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Solution

The fourth proportional to 19,553.10, 29,331.02 and 7,866.37 is: 11,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.10 : 29,331.02 = 7,866.37 : x
  2. Step 2: Convert to fraction form
    19,553.10/29,331.02 = 7,866.37/x
  3. Step 3: Cross multiply
    19,553.10x = 29,331.02 × 7,866.37
  4. Step 4: Simplify right side
    19,553.10x = 230,728,655.80
  5. Step 5: Solve for x
    x = 230,728,655.80/19,553.10
  6. Step 6: Final answer
    x = 11,800.11

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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.