Home / 21,050.66-29,049.36-11,619.02

Finding the Fourth Proportional to 21,050.66, 29,049.36 and 11,619.02

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Solution

The fourth proportional to 21,050.66, 29,049.36 and 11,619.02 is: 16,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.66 : 29,049.36 = 11,619.02 : x
  2. Step 2: Convert to fraction form
    21,050.66/29,049.36 = 11,619.02/x
  3. Step 3: Cross multiply
    21,050.66x = 29,049.36 × 11,619.02
  4. Step 4: Simplify right side
    21,050.66x = 337,525,094.83
  5. Step 5: Solve for x
    x = 337,525,094.83/21,050.66
  6. Step 6: Final answer
    x = 16,033.94

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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.